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Federal
Flood Frequency Data and 2020 Observed Flood Probability for Selected Streamgages in the Fortymile River Basin, Alaska, 1911–2020
Department of the Interior —
This data release provides the source data and results of a flood frequency analysis and annual exceedance probability estimation for a flood that occurred on June... -
Federal
Animations of particle tracking simulations of the Upper Missouri River near Wolf Point, MT
Department of the Interior —
This dataset contains two subsets of animations corresponding to particle tracking simulations of the Upper Missouri River near Wolf Point, MT. Animations do not... -
Federal
Ashland coalfield boundary; assessment area for the Knobloch coal resource unit (knbndg.shp)
Department of the Interior —
This ArcView shapefile contains a polygon representation of the Ashland coalfield, Montana, as defined in the USGS National Coal Resource Assessment (NCRA) project....