TY - RPRT TI - Geohydrology, water quality, and preliminary simulations of ground-water flow of the alluvial aquifer in the upper Black Squirrel Creek basin, El Paso County, Colorado AU - David R. Buckles AU - Kenneth R. Watts PY - 1988 DO - 10.3133/wri884017 UR - https://pubs.usgs.gov/publication/wri884017 ID - wri884017 ER -