Outcrop in bed of river, D.L. & W. Sta. [station], Rochester, N.Y. [New York]. (1932)GrayscaleClapp Nitrate Negative, Box 1
Hudson River from Bear Mtn. [mountain] Bridge. New York. (1926)GrayscaleClapp Nitrate Negative, Box ...
Montuak till on Penobscot R., opp. [Vezie], ME. F.G.C. - 1906.GrayscaleClapp Nitrate Negatives, Box ...
Kensico Dam, White Plains, N.Y. [New York]. (1935-04-20)GrayscaleClapp Nitrate Negative, Box 1
Rapids above falls, Niagara, N.Y. [New York]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Ed. P. Ripley, Bronxville. New York. (1935-02)GrayscaleClapp Nitrate Negative, Box 1
Charles River at So. Shenborn, Massachusetts. (1901)GrayscaleClapp Nitrate Negatives, Box 1
East River and bridges from office of F.G.C., 120 Broadway. New York.GrayscaleClapp Nitrate Negative...
Hoh R. [river], Jefferson Co., Wash. [Washington]. (1935-11-12)GrayscaleClapp Nitrate Negative, Box ...
Mill square road, Yonkers. New York. (1921-04)GrayscaleClapp Nitrate Negative, Box 1
Falls and anticline in shale near Kingston, N.Y. [New York]. (1917-07-07)GrayscaleClapp Nitrate Nega...
From above the falls, Mongaup River, Sullivan Co., N.Y. [New York]. (1920)GrayscaleClapp Nitrate Neg...
View from 39 Broadway, N.Y.C. [New York City] New York. (1939-01)GrayscaleClapp Nitrate Negative, Bo...
F.G.C. [Frederick Gardner Clapp] Bronxville. New York. (1936-02)GrayscaleClapp Nitrate Negative, Box...
View from Engineers Club, N.Y. [New York].GrayscaleClapp Nitrate Negative, Box 1
Helen [R.] Clapp, Bronxville, N.Y. [New York]. (1932)GrayscaleClapp Nitrate Negative, Box 1
Hudson River from Bear Mtn. [mountain] Bridge. New York. (1926)GrayscaleClapp Nitrate Negative, Box ...
Montuak till on Penobscot R., opp. [Vezie], ME. F.G.C. - 1906.GrayscaleClapp Nitrate Negatives, Box ...
Kensico Dam, White Plains, N.Y. [New York]. (1935-04-20)GrayscaleClapp Nitrate Negative, Box 1
Rapids above falls, Niagara, N.Y. [New York]. (1904)GrayscaleClapp Nitrate Negative, Box 1
Ed. P. Ripley, Bronxville. New York. (1935-02)GrayscaleClapp Nitrate Negative, Box 1
Charles River at So. Shenborn, Massachusetts. (1901)GrayscaleClapp Nitrate Negatives, Box 1
East River and bridges from office of F.G.C., 120 Broadway. New York.GrayscaleClapp Nitrate Negative...
Hoh R. [river], Jefferson Co., Wash. [Washington]. (1935-11-12)GrayscaleClapp Nitrate Negative, Box ...
Mill square road, Yonkers. New York. (1921-04)GrayscaleClapp Nitrate Negative, Box 1
Falls and anticline in shale near Kingston, N.Y. [New York]. (1917-07-07)GrayscaleClapp Nitrate Nega...
From above the falls, Mongaup River, Sullivan Co., N.Y. [New York]. (1920)GrayscaleClapp Nitrate Neg...
View from 39 Broadway, N.Y.C. [New York City] New York. (1939-01)GrayscaleClapp Nitrate Negative, Bo...
F.G.C. [Frederick Gardner Clapp] Bronxville. New York. (1936-02)GrayscaleClapp Nitrate Negative, Box...
View from Engineers Club, N.Y. [New York].GrayscaleClapp Nitrate Negative, Box 1
Helen [R.] Clapp, Bronxville, N.Y. [New York]. (1932)GrayscaleClapp Nitrate Negative, Box 1
Hudson River from Bear Mtn. [mountain] Bridge. New York. (1926)GrayscaleClapp Nitrate Negative, Box ...
Montuak till on Penobscot R., opp. [Vezie], ME. F.G.C. - 1906.GrayscaleClapp Nitrate Negatives, Box ...
Kensico Dam, White Plains, N.Y. [New York]. (1935-04-20)GrayscaleClapp Nitrate Negative, Box 1