| A.D. Gamble and Son Sand and Gravel Pits |
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Sand and Gravel |
| Buffalo Sand and Gravel |
Buffalo Sand And Gravel |
Private |
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Sand and Gravel |
| Charles County Sand and Gravel |
Charles County Sand And Gravel |
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Sand and Gravel |
| Deep Creek Mine |
Browning-Deep Creek Quaries |
Private |
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Stone, Crushed |
| Fry Quarry |
|
Private |
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Limestone |
| Fry Quarry |
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Private |
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Stone, Crushed |
| Old Sand and Gravel Pit |
|
Private |
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Sand and Gravel |
| Old Sand and Gravel Pit Near Berry |
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Sand and Gravel |
| Old Sand and Gravel Pit Near Bolton |
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Sand and Gravel |
| Potomac Sand & Gravel Co. Prospect |
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Private |
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Sand and Gravel |
| Potomac Sand and Gravel Co. Dredge Deposit |
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Sand and Gravel |
| Unnamed Borrow Pit |
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Sand and Gravel |
| Unnamed Borrow Pit |
|
Private |
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Sand and Gravel |
| Unnamed Borrow Pit |
|
Private |
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Sand and Gravel |
| Unnamed Borrow Pit |
|
Private |
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Sand and Gravel |
| Unnamed Borrow Pit At Beantown |
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Sand and Gravel |
| Unnamed Borrow Pit At White Plains |
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Sand and Gravel |
| Unnamed Diatomite Pit |
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Private |
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Diatomite |
| Unnamed Diatomite Pit At Popes Creek |
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Diatomite |
| Unnamed Gravel Pit |
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Sand and Gravel |
| Unnamed Gravel Pit |
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Sand and Gravel |
| Unnamed Gravel Pit |
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Sand and Gravel |
| Unnamed Gravel Pit |
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Sand and Gravel |
| Unnamed Gravel Pit |
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Sand and Gravel |
| Unnamed Gravel Pit |
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Sand and Gravel |
| Unnamed Gravel Pit |
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Sand and Gravel |
| Unnamed Gravel Pit |
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Sand and Gravel |
| Unnamed Gravel Pit |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit |
|
Private |
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Sand and Gravel |
| Unnamed Gravel Pit 0.8 Mi Nw of Welcome |
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Sand and Gravel |
| Unnamed Gravel Pit 1.1 Mi S. of Welcome |
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Sand and Gravel |
| Unnamed Gravel Pit 1.7 Mi Se of Mason Springs |
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Sand and Gravel |
| Unnamed Gravel Pit 1.7 Mi Sw of Mattawoman |
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Sand and Gravel |
| Unnamed Gravel Pit 2.5 Mi W of Brentland |
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Sand and Gravel |
| Unnamed Gravel Pit 3.7 Mi Sw of Mc Conchie |
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Sand and Gravel |
| Unnamed Gravel Pit At Hill Top |
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Sand and Gravel |
| Unnamed Gravel Pit Just N. of Hill Top |
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Sand and Gravel |
| Unnamed Gravel Pits |
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Private |
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Sand and Gravel |
| Unnamed Gravel Pits 1.6 Mi. E. of Fenwick |
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Sand and Gravel |
| Unnamed Pit |
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Sand and Gravel |
