TY  - RPRT
TI  - Gravel resources in the Patuxent Formation of Cretaceous age in the Beltsville quadrangle, Prince Georges and Montgomery Counties, Maryland
AU  - C. F. Withington
PY  - 1964
DO  - 10.3133/70222265
UR  - https://pubs.usgs.gov/publication/70222265
ID  - 70222265
ER  -