TY  - RPRT
TI  - Structure contour map of the Big Horn Basin, Wyoming and Montana
AU  - William Gamewell Pierce
AU  - D. A. Andrews
AU  - Jewell Kirby Keroher
PY  - 1947
DO  - 10.3133/om74
UR  - https://pubs.usgs.gov/publication/om74
ID  - om74
ER  -