TY  - RPRT
TI  - BHBIB : bibliography of Black Hills geology, 1852-1988, Part A - Bibliography
AU  - Ed DeWitt
AU  - Margaret Clemensen
AU  - Rachel Barari
PY  - 1989
DO  - 10.3133/ofr89443a
UR  - https://pubs.usgs.gov/publication/ofr89443A
ID  - ofr89443A
ER  -