TY - RPRT TI - Hydrogeology and simulation of flow between the alluvial and bedrock aquifers in the upper Black Squirrel Creek basin, El Paso County, Colorado AU - Kenneth R. Watts PY - 1995 DO - 10.3133/wri944238 UR - https://pubs.usgs.gov/publication/wri944238 ID - wri944238 ER -