Browse mineral resources

Adams 65 records

Allegheny 28 records

Armstrong 52 records

Beaver 41 records

Bedford 48 records

Bedford, Blair 1 records

Berks 234 records

Berks, Lehigh 1 records

Blair 61 records

Bradford 14 records

Bucks 80 records

Butler 28 records

Cambria 12 records

Cameron 3 records

Carbon 12 records

Centre 65 records

Chester 98 records

Clarion 30 records

Clearfield 67 records

Clinton 16 records

Columbia 13 records

Crawford 22 records

Cumberland 99 records

Dauphin 12 records

Delaware 18 records

Elk 4 records

Erie 36 records

Fayette 26 records

Forest 2 records

Franklin 98 records

Fulton 11 records

Greene 28 records

Huntingdon 65 records

Huntingdon, Centre 1 records

Indiana 6 records

Jefferson 9 records

Juniata 5 records

Lackawanna 13 records

Lancaster 86 records

Lawrence 112 records

Lebanon 18 records

Lehigh 273 records

Lehigh, Berks 2 records

Luzerne 40 records

Lycoming 13 records

McKean 6 records

Mercer 13 records

Mifflin 30 records

Monroe 21 records

Montgomery 42 records

Montour 8 records

Northampton 145 records

Northumberland 22 records

Perry 25 records

Philadelphia 6 records

Pike 13 records

Potter 3 records

Schuylkill 9 records

Snyder 17 records

Somerset 19 records

Susquehanna 15 records

Tioga 23 records

Union 20 records

Venango 20 records

Warren 21 records

Washington 19 records

Wayne 28 records

Westmoreland 189 records

Wyoming 8 records

York 93 records