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# Explore Search: Geology General

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## By Year

Charts or Graphs        April 1, 2023        Geologic map of the Timber Hill basalt Sweetwater Hills, Montana

map        December 3, 2018        Geologic map of the central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana

map        January 1, 2000        Generalized geologic map of the Absaroka-Beartooth study area, south-central Montana

publication        January 1, 1969        Generalized geologic map of the Cut Bank-Hungry Horse Reservoir area, northwestern Montana

map        January 1, 1965        Bouguer gravity, aeromagnetic, and generalized geologic map of the western part of the Three Forks Basin, Jefferson, Broadwater, Madison, and Gallatin Counties, Montana

publication        January 1, 1999        Digital geologic map of Yellowstone National Park, Idaho, Montana, and Wyoming and vicinity

publication        January 1, 1920        Gradations from continental to marine conditions of deposition in central Montana during the Eagle and Judith River epochs

publication        January 1, 2000        Hydrology of the Helena area bedrock, west-central Montana, 1993-98

publication        April 5, 2016        Temporal trends and stationarity in annual peak flow and peak-flow timing for selected long-term streamflow-gaging stations in or near Montana through water year 2011: Chapter B in *Montana StreamStats*

publication        June 26, 2013        Estimates of the volume of water in five coal aquifers, Northern Cheyenne Indian Reservation, southeastern Montana

publication        May 11, 2012        Sediment characteristics of the Yellowstone River in the vicinity of a proposed bypass chute near Glendive, Montana, 2011

publication        January 1, 1952        Evaluation of streamflow records in Flathead River basin, Montana

publication        January 1, 1995        Records of wells and water levels from the statewide observation-well network in Montana from October 1985 through October 1992

publication        August 31, 1935        The igneous rocks of the Highwood Mountains of central Montana

publication        March 19, 2012        Watershed scale response to climate change--South Fork Flathead River Basin, Montana

publication        January 1, 2007        Rocky Mountain Snowpack Chemistry at Selected Sites, 2004

publication        January 1, 1906        Geology of the Bighorn Mountains

Featured Films and Shorts        November 1, 2019        Yellowstone Volcano Observatory Monthly Update: November 1, 2019

Featured Films and Shorts        October 1, 2019        Yellowstone Volcano Observatory Monthly Update: October 1, 2019

How to's and trainings        June 11, 2020        Land Treatment Exploration Tool — Step 5: Select Search Parameters

How to's and trainings        June 11, 2020        Land Treatment Exploration Tool — Step 6: Compare the LTDL Treatments