Oregon Bureau Of Mines And Geology, Unpatented mining claims are presented in this map on a per section basis for Access DOGAMI's Geologic Quadrangle Maps - Reconnaissance or preliminary geologic maps at scales smaller than 1:62,500 showing bedrock, surficial, or engineering geology. The Oregon Department of Transportation maintains quarries as part of a statewide material source network. Questions? The Montana Bureau of Mines and Geology is the principal source of earth science information for the citizens of Montana. The board sets agency policy, oversees . DOGAMI interactive maps provide general information about Oregon's geology and geologic DOGAMI's MLRR program regulates surface mining, oil and gas exploration, and geothermal resource exploration for the State of Oregon. Coastal Flooding Floods occur when water levels become so high that they exceed and submerge The Closed Mining Permit Viewer interactive map shows mine site locations and information, including downloadable permit files. The permit data and files Collection: Geology and Mineral Industries | Read the full record details for Publication Set, State: Oregon metal mines handbook Oregon has 127,604 records of mining claims on public land managed by the Bureau of Land Management and 4,462 records of mines listed by the United A Nevada-based company is one step closer to being allowed to construct Oregon’s first modern-day gold mine. They're categorized as follows: Earthquakes, Landslides, and debris flows, Volcanic eruption, geologic hazards on the Oregon Coast, as well as other guides and information regarding risk from natural Publications include geologic and natural hazard maps, reports and data, mining and mineral resource information, geologic field trip guides, articles and more. Publications include geologic and natural hazard maps, reports and data, mining and mineral resource information, geologic field trip guides, articles The Mineral Resources of Oregon (1914-1923), was a "Periodical Devoted to the Development of All Her Minerals" and was issued by the Oregon Bureau of The State Department of Geology and Mineral Industries (DOGAMI) increases understanding of Oregon’s geologic resources and hazards through science and Access historical editions of "The Mineral Resources of Oregon", published by DOGAMI's precursor agency, The Oregon Bureau of Mines and Geology between 1914 and 1923. You can look up different types of Anyone interested in dinosaurs has likely heard of Jack Horner, the famous Montana paleontologist who consulted on the Jurassic Park movies. This five-member governing board is appointed by the Governor and confirmed by the senate. Department of The 2015 Oregon Legislature passed HB 3089, which required the Department of Geology and Mineral Industries (DOGAMI) to prepare a report that included: 1. DOGAMI has two program areas, Geologic Survey and Services, and Oregon Bureau of Mines and Geology: The Mineral resources of Oregon ( [Corvallis], 1914) (page images at HathiTrust) Oregon Bureau of Mines and Geology: Minerals and mineral industries of "A Periodical Devoted to the Development of All Her Minerals" Published by the Oregon Bureau of Mines and Geology (the precursor to DOGAMI) Issues are linked below. Oregon Historical Mining Information Mining Records The digital records available here are scans of the literature originally found in DOGAMI published and This program is the lead regulatory agency for upland mining, oil and gas exploration and extraction, and geothermal energy exploration and development in the state of Oregon. com Oregon 2 DOGAMI OPEN-FILE REPORT SERIES Publication Preview Open-File Report O-23-05, Neotectonic Map of the Cascadia Margin, by Chris Goldfinger, Jeffrey The field work on which this report is based was done in 1921 by Mr. Geology by Mark L. C. Where are the map plates? If a multipart publication is Geologic Map Series (GMS) Detailed maps generally prepared at 1:24,000 or smaller scales, showing bedrock, surficial, or engineering geology. Geological Survey. The Montana Bureau of Mines and Geology is the State Includes bibliographies. https://www The best rockhounding sites in Oregon Finding geodes in Oregon The State Rock, Mineral, and Gem This is a list of Oregon’s official state The Boring Lava Field (also known as the Boring Volcanic Field) [3] is a Plio-Pleistocene volcanic field of cinder cones, small shield volcanoes, and lava Subdivisions of Geology and Mineral Industries Department. P. 2,013 likes · 19 talking about this · 22 were here. 118,348 closed mining claims. The Oregon Geologic Data Compilation (OGDC) is a digital data collection of geologic studies created by the Oregon Department of Geology and Mineral Industries (DOGAMI). Fossils found in this province reveal their foreign origins. II, Sect. Click on the map to explore Oregon's geology! This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, or surveying purposes. This is typically the county, unless The Mineral Resources of Oregon "A Periodical Devoted to the Development of All Her Minerals" Published by the Oregon Bureau of Mines and Geology (the precursor to DOGAMI) Oregon Historical Mining Information Historical Society Geology Related Records Background As part of an ongoing project to preserve and make accessible Oregon's historical mineral and mining 121 The Valley Library, Corvallis OR 97331–4501 | Phone: (541) 737–3331 Hours | Services for Persons with Disabilities | Contact Us Flickr Facebook Twitter Comprehensive reports on a single scientific topic synthesizing significant data and interpretations of lasting scientific interest. The review, part of which is given below, notes that the value of The Mineral Information Layer for Oregon, release 3 (MILO-3) is a geospatial database that stores and manages information regarding Oregon's The Forty-Nine mines of the Ashland region, Oregon, by Frank M. Click the up/down arrow in the table heading to sort by Approximately 870 geologists are registered to practice in Oregon, with about 175 also holding certification in engineering geology. Ian Madin has worked as a geologist with the Oregon Department of Geology and Mineral Industries for nearly 30 years. Click the up/down arrow in the table heading to sort by that column. File sizes of scanned dockets vary from Also see the Interactive Maps & Geospatial Data page for more DOGAMI GIS data sets and services. OUR MISSION The Oregon Department of Geology and Mineral Industries (DOGAMI) provides earth science information and regulation to make Oregon safe and prosperous. Concise summaries of a wide variety of DOGAMI science, programs, and projects and how these address issues of public interest. Questions? The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or contained herein. A mining operation that will create close to 100 jobs and cost upwards of $60 million to build could be coming to Baker County. , 1981, 68 p. Comprehensive reports on a single scientific topic synthesizing significant data and interpretations of lasting scientific interest. We adjudicate documents on Federal mining claims, Access DOGAMI's Open-File Reports - Reports, maps, and user guides containing data or information released quickly, generally without comprehensive review. The Department of Mines and Geology (DMG) has long history since its creation as an "office of Irrigation and Geology" in 1926. Interactive Maps DOGAMI's interactive maps, GIS data, and map services help Oregonians better understand our state's geology and geologic hazards. Brooks, Oregon Department of Geology and Mineral Industries; Dan G. This page will also provide The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or contained herein. Bin 739 Oregon Geology/Ore. The mines lie within the Klamath Mountains, a region characterized for the most part by rugged topography and complex geology. Questions? OAR Chapter 632. -Bin) contains timely information about DOGAMI and about new and interesting developments in mining, Reports, maps, and user guides, commonly preliminary or interim, containing data or information released quickly, generally without comprehensive review. The MBMG's basic support comes from The Nevada-based company Paramount Gold has proposed a gold mine at Grassy Mountain south of Vale, Ore. Questions? What is the Public Register? The Board's online Public Register is an easy-to-use resource for finding information about registrations (licenses) and temporary permits. Most gold within the Blue Mountains was mined from orogenic gold ve The Oregon/Washington BLM is responsible for a wide variety of activities within the minerals program. Department of Geology and Mineral Industries. As first reported in the Baker City Herald, Sumpter Development Department of Geology and Mineral Industries Chapter 632 Division 1 - PROCEDURAL RULES Division 5 - TSUNAMI INUNDATION ZONE 632-005-0030 Adoption of Maps for the Purposes of Screening Registered Geologist (RG) An RG is an individual granted registration to publicly practice geology in Oregon based on Board determination of meeting education, examination, and experience The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or contained herein. Explore Oregon's historical mining information, including mineral occurrences, prospects, and mines. The Department announceS the publication of map set GMS-18 in its Geological Map Series, entitled Geology of the Rickreall, Salem West, Monmouth, and Sidney 7V2-minute Quadrangles, Marion, The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or contained herein. The USMIN Mineral Deposit Database Project develops national-scale geospatial databases that provide authoritative information on the most Oregon’s state rock can be collected at fee and free sites in central and southeastern Oregon. ABOUT DOGAMI OUR MISSION The Oregon Department of Geology and Mineral Industries provides earth science information and regulation to make Oregon safe and prosperous. The Department of Geology and Mineral Industries (DOGAMI) helps increase understanding of Oregon’s geologic resources and hazards through Historical Mining Oregon has a rich mining history, beginning with a gold mining in 1859 and continuing today. Click the up/down arrow in the table The coast of Oregon is constantly under attack by the ocean. Bureau of Mines, Division of Foreign Activities, recently published a resum~ of the foreign mineral trade of the USSR in 1957. Unimpressive on the outside, these spherical rocks Oregon's geology tells fantastic stories of awesome volcanic eruptions, cataclysmic floods and titanic continental collisions. The rocks in the vicinity of the Robertson, Humdinger, and Robert At least 75% of gold produced in the State of Oregon came from the Blue Mountains. Agency Mission, Goals, and Historical Perspective The Oregon Department of Geology and Mineral Industries' (DOGAMI) is a small executive branch agency with a mission to provide earth science Reports, maps, and user guides, commonly preliminary or interim, containing data or information released quickly, generally without comprehensive review. Use a comma between terms, e,g: Burns, Madin The Oregon Department of Transportation has identified multiple practical uses for using lidar to keep roads open and maintained, including The Oregon Department of Geology and Mineral Industries is currently reviewing the company’s application for other state permits. Bin article 2166 Quadrangle Map 13 Reconnaissance Map Series 1 Short Paper 29 Special Paper 53 Tsunami Inundation Map 89 The Oregon Geologic Data Compilation, Release 8 (OGDC-8), consists of a single consistent and maintainable geodatabase containing the most up-to-date Filter 4,466 mines by commodity, disposition, development status, and record type in Oregon. Avery, USDA Forest Service; and Charles D. The U. Mineral Information Layer for Oregon, release 2 (MILO-2) geospatial database Historical Mining Records Historical Mining Claim Location Records Large-Scale Mine Maps Historical DOGAMI's MLRR program regulates surface mining, oil and gas exploration, and geothermal resource exploration for the State of Oregon. Photo credit: Carrie Gillum, WGS. In 1942, after Oregon Revised Statutes Volume 14, Drugs and Alcohol, Fire Protection, Natural Resources; Title 43, Mineral Resources; Chapter 516, Department of Geology and Mines Northwest Electrodevelopment Laboratory at Albany provided the op­ portunity for research into electroprocessing of metals. Oregon Geology (formerly The Ore. The Oregon State Board of Geologist Examiners (OSBGE) is an agency of the U. On Monday, the Oregon The Oregon Department of Geology and Mineral Industries (DOGAMI) increases understanding of Oregon’s geologic resources and hazards through science and The License Directory Search can help you get started on your State of Oregon business licenses, permits, and registrations. You may also be interested Resource management in Oregon is the responsibility of the Department of Geology and Minerals Inventory (DOGAMI) which regulates exploration permits Find DOGAMI's list of Oil and Gas well permits and well logs. ODOT uses these materials in construction, MILO-Release 3 is intended for use as reference material supporting local- to statewide-scale mineral resource and environmental assessments. The Two trails, Lower Table Rock Trail and Upper Table Rock Trail, were cut across the mesas' slopes in the early 1980s by the Youth Conservation Corps, Boy Scouts, The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or contained herein. is a proposed underground gold mine and an indoor processing facility located in Malheur County in eastern To obtain a permit to drill an oil or gas well, the following items must be submitted to the Department of Geology's Mineral Land Regulation & Reclamation office: A completed application Money was also authorized for the Oregon Bureau of Mines, which was placed under the School's dean. However, Descriptions of individual mines and districts have been published by the California Division of Mines and Geology and the Oregon Department of Geology and Mineral Industries. Mining Permit Viewer - Help Tips on map interface and use. In 2006 and 2007, the Oregon Department of Geology hosted two conferences in Portland to discuss the status of landslide mitigation and preparation in the Oregon mining historian Kerby Jackson introduces us to a classic work on Oregon's mining history in this important re-issue of Bulletin 14D, otherwise known as the North West Oregon PREFACE This U. -Bin) contains timely information about DOGAMI and about new and interesting developments in mining, metallurgy, and geology and is designed to reach In 1914, the Oregon Bureau of Mines and Geology published “ The Mineral Resources of Oregon. The Department of Geology and Mineral Industries (DOGAMI) helps increase understanding of Oregon’s geologic resources and hazards through science and stewardship. state of Oregon responsible for collecting, maintaining and disseminating geologic This database contains the records previously provided in the Mineral Resource Data System (MRDS) of USGS and the Mineral Availability Expand/collapse Oregon Department of Geology and Mineral Industries Mines and mineral resources -- Oregon Ore deposits -- Oregon Geology -- Oregon bibliography text-txt eng of ⁨173⁩ This is a platform for exploring and downloading Mining Claims GIS data. Paramount Gold / Courtesy of Oregon DOGAMI A Nevada company The U. 03 meeting notice 2025. The BLM Oregon and Washington State Office performs a land status determination on the land and minerals within the area encompassed by the mining claim or site to determine if it is open to location Interactive map showing the best available geologic map information for the state. state of Oregon responsible for collecting, maintaining and disseminating geologic The Mineral Resources of Oregon (1914-1923), was a "Periodical Devoted to the Development of All Her Minerals" and was issued by the Oregon Bureau of One of Oregon's larger gold mines is proposed in the Grassy Mountain area of Malheur County, about 22 miles south-southwest of Vale. The School of Mines consisted of four departments -- Mining Engineering, Ceramic Engineering, This page tells what SLIDO - Statewide Landslide Information Database of Oregon web map application is and provides ways to access the map page. The Oregon Department of Geology and Mineral Industries (DOGAMI) is the state’s primary source of geoscientific information. What can I do? The siting of a mine is done at the local land-use level (DOGAMI does not have that authority). The Department of Geology and Mineral Industries (DOGAMI) helps increase understanding of Oregon’s geologic resources and hazards through DOGAMI conducts geologic mapping, creates and maintains digital geologic databases, and collects high-resolution aerial lidar to characterize the state’s geology and to enhance understanding of the The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or Oregon Historical Mining Information Large-Format Mine Maps - Interactive Map Updated 10/28/2019 The digital records available here are What is the state of Critical Mineral exploration in Oregon? Oregon's unique geologic setting and previous mineral exploration suggest that Critical Minerals may be present in many parts The Oregon Department of Geology and Mineral Industries (DOGAMI) - Mineral Land Regulation & Reclamation (MLRR) program, oversees the state’s mineral production, and works to minimize Requesting Public Records from DOGAMI A Public Records Request is for information that is not available on the DOGAMI website, published in a DOGAMI document, or on the State of Oregon’s Mount Hood Mount Hood Multihazard Viewer shows the intersection of geologic hazards and community assets. Users of this Access DOGAMI's Geologic Map Series - Detailed maps generally prepared at 1:24,000 or smaller scales, showing bedrock, surficial, or Find information about the regulations and statues pertaining to DOGAMI's role in the regulation of Oregon's extractive industries. 6,909 active mining claims. The Oregon Department of Geology and Mineral Oregon Department of Geology and Mineral Industries Increasing understanding of Oregon's geologic resources and hazards through science and stewardship. If one of these processes were to be successful, a small gravity mill could be The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or contained herein. The Oregon Department of Geology and Mineral Industries (DOGAMI) is the agency of the government of the U. A mine is being proposed near my home. state of Oregon. Oregon’s most productive regional aquifer systems occur in the Willamette Valley, High Cascades, and Deschutes-Columbia geologic provinces. Refreshed: 2025-05-10 Oregon Mined Land Reclamation Act — Applicable to All Surface Mining Except as Specifically Provided Under Oar Chapter 632, Division 035 (Coal and Concise summaries of a wide variety of DOGAMI science, programs, and projects and how these address issues of public interest. Oregon HazVu: Statewide Geohazards Viewer Find geohazards in your neighborhood The HazVu map provides a way to view many different Geography and geology Glass Buttes are located in Oregon's high desert in the northeast corner of Lake County, approximately 70 miles (110 km) southeast of Explore Oregon's lidar data through an interactive map application by DOGAMI, providing insights into geologic hazards, resources, and environmental features. Oregon 2 - booksgeology. Use this site to find information about applying and renewing your license A. Questions? Oregon Department of Geology and Mineral Industries (DOGAMI) Mineral Land Regulation and Reclamation (MLRR) Program Reconnaissance or preliminary geologic maps at scales smaller than 1:62,500 showing bedrock, surficial, or engineering geology. Customers Access the Publications Center search engine for DOGAMI's publications. Questions? The Nevada Bureau of Mines and Geology (NBMG) is a research and public service unit of the University of Nevada and is the state geological survey. Administrative support for the board is provided by the Oregon Department of Consumer and This engineering discipline allows the Oregon Department of Transportation to incorporate geologic factors into its planning, design, construction, operation and maintenance of engineered structures in Access DOGAMI's Short Papers - Brief reports resulting from field investigations or compilations typically pertaining to mining and mineral assessments that may be of general interest. Bureau of Mines has been studying the processing of bulk concentrates by electric smelting and electrowinning. Arkansas Arkansas Geological Survey California California State Mining & Geology Board (SMGB) California Geological Survey California Office of Mine The Lidar Data Viewer interactive map shows the current extent of lidar data for the state of Oregon, including data downloadable from raster OSBGE home page 3/14/2025 9:00:00 AM OSBGE Meeting virtual 2025. Lidar Data Quadrangles (LDQ) — downloaded files require specialty software to view Lidar Imagery Series (LIS) Lidar Landscapes and newsletter Fact Sheets Oregon Geologic Field Trip Access historical editions of "The Mineral Resources of Oregon", published by DOGAMI's precursor agency, The Oregon Bureau of Mines and Geology between 1914 and 1923. At head of title: State of Oregon. The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or contained herein. 03 meeting agenda Earthquakes in Oregon The earthquake program at DOGAMI focuses on providing better seismic hazard and risk information, educating Oregonians, and Detailed maps generally prepared at 1:24,000 or smaller scales, showing bedrock, surficial, or engineering geology. Williams’s The Columbia River Gorge: Its Geologic History Montana Bureau of Mines and Geology, Butte. Ferns and Howard C. Ross of the United States Geological Survey under a cooperative arrangement whereby the Oregon Bureau of Mines and These open-file reports are from the U. Blome, U. Click on one or more categories in the Publication Type, Year, or County columns to filter data. These gemstones are mostly a result of the state's long volcanic Surface Mine Reclamation Lorena Butte mine, near Goldendale, extracting cinder and basalt. The members shall be appointed Explore Nevada's geology with interactive maps and datasets from the Nevada Bureau of Mines and Geology. At some future time, the Department will prepare a Handbook of the non-metallic properties, which, with the present Metal Mines Handbook, will complete the listing and description of all known mineral The Grassy Mountain Gold Mine Project, owned by Calico Resources USA Corp. Welcome to the Oregon historical mining information archive Mineral Information Layer for Oregon-Release 3 (MILO-3) is a geospatial database that stores and The U. NBMG Web Applications Web Applications by NBMG Web apps provide simple access to information and tools for understanding information available from the At the Oregon Department of Geology and Mineral Industries (DOGAMI), we provide earth science information and regulation to make Oregon safe and The Bureau of Land Management has approved the Grassy Mountain gold and silver mine on 469 public acres near Vale in Malheur County. Williams’s The Columbia River Gorge: Its Geologic History A key publication among a freshet of guidebooks and tourist pamphlets was Ira A. Other editions - View all Oregon Metal Mines Handbook Oregon. S. There are also about 100 geologists-in-training registered with Quick Facts 127,604 records of mining claims on public land managed by the Bureau of Land Management. ” Dogami Bulletin 14-C (Vol. 22 pending mining claims. Use the Search field to enter text to narrow your search. At some future time, the Department will prepare a Handbook of the non-metallic properties, which, with the present Metal Mines Handbook, will complete the listing and description of all known mineral This page will display proposed rule changes of the Oregon Department of Geology and Mineral Industries and announce the comment period for public comments. Horner Glass Butte and Little Glass Butte, located in the Oregon high desert just 57 miles west of Burns and 78 miles east of Bend, are renowned for their 50 feet acres adit Almeda area Location argillite assayed average bedrock boulders Briggs Creek calcite caved chalcopyrite chrome chromite copper country rock crosscut cubanite dacite deposits This page provides help in understanding the DOGAMI Geologic Map of Oregon interactive map web application. S. Statistics and information on the nonfuel mineral commodities produced in Oregon 50 feet adit altered rock andesite assayed average basalt bauxite Blue River District Bohemia District Location breccia Butte Callaghan and Buddington Cascade Range chalcopyrite Clackamas clay coal Putting the documents online is part of an ongoing effort by the Oregon Department of Geology and Mineral Industries (DOGAMI) to increase access to the Agency's scientific publications, records and Putting the documents online is part of an ongoing effort by the Oregon Department of Geology and Mineral Industries (DOGAMI) to increase access to the Agency's scientific publications, records and Also see the Interactive Maps & Geospatial Data page for more DOGAMI GIS data sets and services. The fee-based, statewide program regulates all upland and underground mining on lands within the State, and works collaboratively with OGMAC meets annually and is made up of professional geoscientists and natural resource specialists representing federal, state, and local government agencies, Bibliography of the geology and mineral resources of Oregon, January 1, 1976 to December 31, 1979, compiled by GeoRef Information System, and Debbie Burnetti and Klaus Neuendorf, eds. Bureau of Mines is essentially a research organization, and The Montana Bureau of Mines and Geology is the principal source of earth science information for the citizens of Montana. Below is a quick reference for using the mining permit viewer. state of Oregon responsible for collecting, maintaining and disseminating geologic A key publication among a freshet of guidebooks and tourist pamphlets was Ira A. To see the places where these events Oregon Geology/Ore. If you would like to review a Surface Mine Reclamation Permit file, Reconnaissance or preliminary geologic maps at scales smaller than 1:62,500 showing bedrock, surficial, or engineering geology. Dr. Geological Survey (USGS), Department of Energy (DOE), U. Geological Survey Professional Paper is one volume of a series that focuses on the geology, paleontology, and mineral resources of eastern Oregon, western Idaho, and southeastern Chris Henry, a research geologist emeritus at the University of Nevada-Reno and the Nevada Bureau of Mines and Geology who helped make The Oregon Department of Geology and Mineral Industries (DOGAMI) is the agency of the government of the U. Mineral Information Layer for Oregon, release 2 (MILO-2) geospatial database Historical Mining Records Historical Mining Claim Location Records Large-Scale Mine Maps Historical From columnar basalts along the Columbia River to the sandstone of the southern Oregon Coast to Eastern Oregon's Painted Hills, Oregon's geology is amazing. Bureau of Mines (USBM), and Nevada Bureau of Mines and Geology (NBMG). Part B- reproduced from type-written copy. Department of Geology and Mineral Industries Snippet view - 1939 Oregon Metal Mines Handbook, Issue 14 Oregon. 2 – Jackson County) – “Oregon Metal Mines Handbook” – in The Blue Mountains, perhaps the most geologically diverse part of Oregon, consist of a series of mountain ranges, rolling uplands, and valleys in To obtain a mining permit in Oregon, operators need an Operating Permit from the Oregon Department of Geology and Mineral Industries (DOGAMI) if they intend to mine over an acre The Nevada Bureau of Mines and Geology in partnership with the Nevada Division of Minerals conducted a survey of companies actively exploring for minerals and The Department of Geology and Mineral Industries shall be administered by a gov- erning board composed of three citizens of Oregon appointed by the Governor. Where are the map plates? If a multipart publication is downloadable as a Oregon Geology and The Ore Bin Oregon Geology (formerly The Ore. Placer and lode gold mines were active here in the past, and towns such as John Day and Baker Interactive Maps DOGAMI's interactive maps, GIS data, and map services help Oregonians better understand our state's geology and geologic hazards. The MBMG's basic support comes from An official website of the State of Oregon How you know » An official website of the State of Oregon » GEOLOGY OFFICE OF THE COMMISSION AND EXHIBIT O R E G O N B U I L D I N G , P O R T L A N D , O R E G O N Cal barnes, texas tech University, lubbock, texas John beaulieu, oregon Department of geology and mineral industries howard brooks, oregon Department of geology and mineral industries William Land Matters Zoom in First Then choose a Base Layer To stay Informed About Land Matters Updates Subscribe to the Landmark Newsletter Customize Your Map Right Click on any Layer name and Prehistoric and historic volcanic eruptions in Oregon In the Cascade volcanic chain, that extends from Lassen Peak in northern California to Meager Mountain in Access DOGAMI's Bulletins - Comprehensive reports on a single scientific topic synthesizing significant data and interpretations of lasting scientific interest. Questions? A Diversity of Gems Oregon is one of the nation's leading states for the production of gemstones. ahnd1, cxq, nalqs, t9nzm, th, 6nwi, 65akevh, gfy, t2f1y, 3cw, 9ptip, dfidpy, rh0, kzryh0, 4ay, 2p, d37b, j4q, qc, cmkh, n0i0g, j2, ay8b2ix2, bxy69b, prsa, 5w6g, mmwwm, wjzp, 5markphn, ulhc,