TY  - RPRT
TI  - GEONAMES data base of geologic names of the United States through 1988 : CO, NM
AU  - G. W. Luttrell
AU  - M.L. Hubert
AU  - C.R. Murdock
PY  - 1990
DO  - 10.3133/ofr90466k
UR  - https://pubs.usgs.gov/publication/ofr90466K
ID  - ofr90466K
ER  -