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The Upper Colorado River Basin has a drainage area of about 113,500 square miles in western Colorado, eastern Utah, southwestern Wyoming, northeastern Arizona, and northwestern New Mexico. In the 1980’s and 1990’s, the Upper Colorado River Basin was a study area under of the U.S. Geological Survey's Regional Aquifer-System Analysis (RASA) program (Sun and Johnston, 1994; Sun and Weeks, 1991). The objectives of the RASA program for the Upper Colorado River Basin were to provide regional assessments of major aquifer systems by providing quantitative assessments of the occurrence, movement, and availability of water stored in rock formations that underlie the basin/watershed. These assessments included: (1) the classification...
For use as part of a regional petroleum assessment, the USGS in the early 1990’s developed a dataset reporting elevation on the surface of the Precambrian basement of the central and southern Colorado Plateau and vicinity (Butler, 1991). This dataset was released as paper report that included a table of basement elevations at more than 3,700 control points, including outcrop data of Precambrian rock on the plateau periphery, plus borehole data, seismic data, and depth estimated from a variety of published maps and stratigraphic sections. A contoured map of these data was released as a figure in an interpretive report (Blank and others, 1998). This digital dataset contains spatial datasets corresponding to the elevation...
    map background search result map search result map Digital subsurface data of Mesozoic rocks in the Upper Colorado River Basin in Wyoming, Utah, Colorado, Arizona, and New Mexico from USGS Regional Aquifer System Analysis Elevation of top of Precambrian rocks from previous USGS studies of the Colorado Plateau Structure contours on top of Coal marker sands, the Deserado Study Area, Lower White River coal field, Colorado (desstrcg) Structure contours on top of the Rollins Sandstone Member, southern Piceance Basin (psstrcg) Structure contours on top of the Huerfanito Bentonite bed, San Juan Basin, CO and NM (sjbhstrcg) Structure contours on top of the Pictured Cliffs Sandstone, San Juan Basin, NM and CO (sjbstrcg) Structure contours on top of the Star Point Sandstone, southern Wasatch Plateau, UT (wsstrcg) Structure contours on top of the Trout Creek Sandstone, Yampa coal field, CO (yamstrcg) Structure contours on top of Coal marker sands, the Deserado Study Area, Lower White River coal field, Colorado (desstrcg) Structure contours on top of the Star Point Sandstone, southern Wasatch Plateau, UT (wsstrcg) Structure contours on top of the Trout Creek Sandstone, Yampa coal field, CO (yamstrcg) Structure contours on top of the Rollins Sandstone Member, southern Piceance Basin (psstrcg) Structure contours on top of the Huerfanito Bentonite bed, San Juan Basin, CO and NM (sjbhstrcg) Structure contours on top of the Pictured Cliffs Sandstone, San Juan Basin, NM and CO (sjbstrcg) Digital subsurface data of Mesozoic rocks in the Upper Colorado River Basin in Wyoming, Utah, Colorado, Arizona, and New Mexico from USGS Regional Aquifer System Analysis Elevation of top of Precambrian rocks from previous USGS studies of the Colorado Plateau