Mineral Resources Map - mines, prospects, and more

Name
Old Sand and Gravel Pit Near Bolton
Old Sand and Gravel Pit Near Berry
Unnamed Borrow Pit At White Plains
Unnamed Pit
A.D. Gamble and Son Sand and Gravel Pits
Potomac Sand and Gravel Co. Dredge Deposit
Unnamed Diatomite Pit At Popes Creek
Unnamed Gravel Pit
Unnamed Gravel Pit 2.5 Mi W of Brentland
Unnamed Gravel Pit
Unnamed Gravel Pit 1.7 Mi Sw of Mattawoman
Unnamed Gravel Pit At Hill Top
Unnamed Gravel Pit
Unnamed Gravel Pit Just N. of Hill Top
Unnamed Gravel Pit
Unnamed Gravel Pit
Fry Quarry
Unnamed Borrow Pit At Beantown
Unnamed Borrow Pit
Unnamed Gravel Pit 1.1 Mi S. of Welcome
Unnamed Gravel Pit 1.7 Mi Se of Mason Springs
Unnamed Gravel Pit
Unnamed Gravel Pit 3.7 Mi Sw of Mc Conchie
Unnamed Gravel Pit 0.8 Mi Nw of Welcome
Unnamed Gravel Pit
Unnamed Gravel Pit
Unnamed Gravel Pits 1.6 Mi. E. of Fenwick
Unnamed Gravel Pit
Unnamed Gravel Pit
Unnamed Gravel Pit
Unnamed Gravel Pit
Unnamed Gravel Pits
Unnamed Borrow Pit
Charles County Sand and Gravel
Unnamed Gravel Pit
Unnamed Borrow Pit
Unnamed Pit
Unnamed Gravel Pit
Old Sand and Gravel Pit
Unnamed Gravel Pit
Unnamed Borrow Pit
Fry Quarry
Unnamed Gravel Pit
Potomac Sand & Gravel Co. Prospect
Unnamed Gravel Pit
Unnamed Diatomite Pit
Unnamed Gravel Pit
Unnamed Gravel Pit
Unnamed Gravel Pit
Unnamed Gravel Pit
La Plata Pits
Old Sand and Gravel Pit
Unnamed Gravel Pit
Unnamed Gravel Pit