Add to ORKGFrom above the falls, Mongaup River, Sullivan Co., N.Y. [New York]. (1920)GrayscaleClapp Nitrate Negative, Box 1
Terrace of Waynesburg S.S., Rich hill two, Greene Co., Pennsylvania. U.S. - disc. (1904)GrayscaleCla...
Hudson River from Bear Mtn. [mountain] Bridge. New York. (1926)GrayscaleClapp Nitrate Negative, Box ...
Descending from the Catskills, New York. (1917-07-07)GrayscaleClapp Nitrate Negative, Box 1
Falls of the Mongaup, Sullivan Co., N.Y. [New York]. (1920)GrayscaleClapp Nitrate Negative, Box 1
Down the Gorge Falls of the Mongaup, Sullivan Co., N.Y. [New York]. (1920)GrayscaleClapp Nitrate Neg...
Falls of the Mongaup, Sullivan Co., New York. (1920)GrayscaleClapp Nitrate Negative, Box 13 of 1
Falls and anticline in shale near Kingston, N.Y. [New York]. (1917-07-07)GrayscaleClapp Nitrate Nega...
Rapids above falls, Niagara, N.Y. [New York]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Kensico Dam, White Plains, N.Y. [New York]. (1935-04-20)GrayscaleClapp Nitrate Negative, Box 1
Aeration plant, Ashokan Res. [reservoir], N.Y. [New York]. (1917-07-05)GrayscaleClapp Nitrate Negati...
Waterfall over Benwood L., ravine tributary to Meigs Ck. [creek], Washington Co., Pa. [Pennsylvania]...
Ashuelot River, nr. [near] Winchester (?) N.H. [New Hampshire]. (1915-06-25)GrayscaleClapp Nitrate N...
Susquehanna R. [river], Curwensville, Pa. [Pennsylvania]. (1904)GrayscaleClapp Nitrate Negative, Box...
F.G. [Frederick Gardner] Clapp and Allegheny R. [river], nr [near] Oakmont, Pa. [Pennsylvania]. (ca....
Gull Rock Camp, Upper Saranac Lake, N.Y. [New York]. (1923)GrayscaleClapp Nitrate Negative, Box 1
Terrace of Waynesburg S.S., Rich hill two, Greene Co., Pennsylvania. U.S. - disc. (1904)GrayscaleCla...
Hudson River from Bear Mtn. [mountain] Bridge. New York. (1926)GrayscaleClapp Nitrate Negative, Box ...
Descending from the Catskills, New York. (1917-07-07)GrayscaleClapp Nitrate Negative, Box 1
Falls of the Mongaup, Sullivan Co., N.Y. [New York]. (1920)GrayscaleClapp Nitrate Negative, Box 1
Down the Gorge Falls of the Mongaup, Sullivan Co., N.Y. [New York]. (1920)GrayscaleClapp Nitrate Neg...
Falls of the Mongaup, Sullivan Co., New York. (1920)GrayscaleClapp Nitrate Negative, Box 13 of 1
Falls and anticline in shale near Kingston, N.Y. [New York]. (1917-07-07)GrayscaleClapp Nitrate Nega...
Rapids above falls, Niagara, N.Y. [New York]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Kensico Dam, White Plains, N.Y. [New York]. (1935-04-20)GrayscaleClapp Nitrate Negative, Box 1
Aeration plant, Ashokan Res. [reservoir], N.Y. [New York]. (1917-07-05)GrayscaleClapp Nitrate Negati...
Waterfall over Benwood L., ravine tributary to Meigs Ck. [creek], Washington Co., Pa. [Pennsylvania]...
Ashuelot River, nr. [near] Winchester (?) N.H. [New Hampshire]. (1915-06-25)GrayscaleClapp Nitrate N...
Susquehanna R. [river], Curwensville, Pa. [Pennsylvania]. (1904)GrayscaleClapp Nitrate Negative, Box...
F.G. [Frederick Gardner] Clapp and Allegheny R. [river], nr [near] Oakmont, Pa. [Pennsylvania]. (ca....
Gull Rock Camp, Upper Saranac Lake, N.Y. [New York]. (1923)GrayscaleClapp Nitrate Negative, Box 1
Terrace of Waynesburg S.S., Rich hill two, Greene Co., Pennsylvania. U.S. - disc. (1904)GrayscaleCla...
Hudson River from Bear Mtn. [mountain] Bridge. New York. (1926)GrayscaleClapp Nitrate Negative, Box ...
Descending from the Catskills, New York. (1917-07-07)GrayscaleClapp Nitrate Negative, Box 1