Burning gas well, Washington Co., Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
Waterfall over Benwood L., ravine tributary to Meigs Ck. [creek], Washington Co., Pa. [Pennsylvania]...
Terrace of Waynesburg S.S., Rich hill two, Greene Co., Pennsylvania. U.S. - disc. (1904)GrayscaleCla...
Coal pit & F.G.C. [Frederick Gardner Clapp], Greene Co., Pa. [Pennsylvania]. (1904)GrayscaleClapp Ni...
Washington field, Washington Co., Pa. [Pennsylvania]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Washington Co., Pa. [Pennsylvania]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Cultivated hillside, Washington Co., Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
Oil wells, Washington, Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
Reservoir No. 4, near Washington, Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
Court house & jail, Washington, Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
Intake well for water, Pet. Rec. Co., Bradford field, Pa. [Pennsylvania]. (1932)GrayscaleClapp Nitra...
Coal pit & F.W. DeWolf, Greene Co., Pa. [Pennsylvania]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Valley of ten mile creek, near Ten-Mile, Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
C. of Washington, Pa. [Pennsylvania], from south. (1904)GrayscaleClapp Nitrate Negative, Box 1
Outlet well for oil, Pet. Rec. Co., Bradford, Pa. [Pennsylvania]. (1932)GrayscaleClapp Nitrate Negat...
On property of Pet. Rec. Co., Bradford, Pa. [Pennsylvania]. (1932)GrayscaleClapp Nitrate Negative, B...
Waterfall over Benwood L., ravine tributary to Meigs Ck. [creek], Washington Co., Pa. [Pennsylvania]...
Terrace of Waynesburg S.S., Rich hill two, Greene Co., Pennsylvania. U.S. - disc. (1904)GrayscaleCla...
Coal pit & F.G.C. [Frederick Gardner Clapp], Greene Co., Pa. [Pennsylvania]. (1904)GrayscaleClapp Ni...
Washington field, Washington Co., Pa. [Pennsylvania]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Washington Co., Pa. [Pennsylvania]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Cultivated hillside, Washington Co., Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
Oil wells, Washington, Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
Reservoir No. 4, near Washington, Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
Court house & jail, Washington, Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
Intake well for water, Pet. Rec. Co., Bradford field, Pa. [Pennsylvania]. (1932)GrayscaleClapp Nitra...
Coal pit & F.W. DeWolf, Greene Co., Pa. [Pennsylvania]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Valley of ten mile creek, near Ten-Mile, Pennsylvania. (1904)GrayscaleClapp Nitrate Negative, Box 1
C. of Washington, Pa. [Pennsylvania], from south. (1904)GrayscaleClapp Nitrate Negative, Box 1
Outlet well for oil, Pet. Rec. Co., Bradford, Pa. [Pennsylvania]. (1932)GrayscaleClapp Nitrate Negat...
On property of Pet. Rec. Co., Bradford, Pa. [Pennsylvania]. (1932)GrayscaleClapp Nitrate Negative, B...
Waterfall over Benwood L., ravine tributary to Meigs Ck. [creek], Washington Co., Pa. [Pennsylvania]...
Terrace of Waynesburg S.S., Rich hill two, Greene Co., Pennsylvania. U.S. - disc. (1904)GrayscaleCla...
Coal pit & F.G.C. [Frederick Gardner Clapp], Greene Co., Pa. [Pennsylvania]. (1904)GrayscaleClapp Ni...