TY  - RPRT
TI  - Codes for the identification of aquifer names and geologic units in the United States and the Caribbean outlying areas
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1988
DO  - 10.3133/cir878c
UR  - https://pubs.usgs.gov/publication/cir878C
ID  - cir878C
ER  -