TY  - RPRT
TI  - Structure contours of base of upper Arapahoe aquifer in "Structure, outcrop, and subcrop of the bedrock aquifers along the western margin of the Denver Basin, Colorado." Hydrologic Atlas 742
AU  - Sharon Rafferty
PY  - 1998
DO  - 10.3133/70046227
UR  - https://pubs.usgs.gov/publication/70046227
ID  - 70046227
ER  -