TY  - RPRT
TI  - Selected annotated bibliography of gypsum and anhydrite in the United States and Puerto Rico
AU  - Charles F. Withington
AU  - Marion Charlotte Jaster
PY  - 1960
DO  - 10.3133/b1105
UR  - https://pubs.usgs.gov/publication/b1105
ID  - b1105
ER  -