Relief surface of a 4X4km area around the Gardner Basin field sites in Yellowstone. Slide the animation bar at the bottom all of the way to the left to display a bedrock map, all of the way to the right for surficial geology, and toward the middle for an aerial photo (8/15/2013). Elevation range 509m. Bedrock symbols- Qs Detrital deposits, Tv Volcanic Rocks, Ts Sedimentary rocks. Surficial symbols- fg fan gravel, fm fan deposits muddy gravel, sg stream gravel, ls landslide deposit, pfd flood deposit, pta talus deposit, pt till, pkf fan gravel, pr rubble veneer, pkg kame gravel, tro travertine of pre-pinedale age, pbg gravel of pre-bull lake age, R undivided older volcanic rocks of quaternary age. Bedrock map modified from Christiansen, USGS (1999). Surficial map modified from Pierce, USGS (1973). Aerial imagery from Esri. DEM from USGS.
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