TY - RPRT TI - Artificial-recharge tests in Upper Black Squirrel Creek basin, Jimmy Camp Valley, and Fountain Valley, El Paso County, Colorado AU - P.J. Emmons PY - 1977 DO - 10.3133/wri7711 UR - https://pubs.usgs.gov/publication/wri7711 ID - wri7711 ER -