Central Park spring at W. 109th Street, 150 feet east of Eighth Avenue, New York City, March 18, 1901.

Re-opened 'Dr. Tanner's Well' [Tanner's Spring], Central Park, in line with W. 82nd Street, New York City, October 26, 1901.

Old buried section of 'Dr. Tanner's Well' [Tanner's Spring], Central Park, in line with W. 82nd Street, New York City, October 26, 1901.

Old buried section of 'Dr. Tanner's Well' [Tanner's Spring], Central Park, in line with W. 82nd Street, New York City, October 26, 1901.

Pond on the property of the Rev. Hasbrouck Du Bois, on the east side of Woodycrest Avenue, December 6, 1899.

Well at the northwest corner of Broadway and W. 169th Street, New York City, December 4, 1899. View looking north to Broadway and W. 171st Street.

Schraufer's spring, Morris Avenue and E. 193rd Street, Bronx, New York City, October 10, 1897.

Spring at W. Burnside Avenue near Harrison Avenue, east of the Croton Aqueduct, Bronx, New York City, October 10, 1897.

Spring near E. 174th Street between Townsend Avenue and Walton Avenue, 400 feet east of Jerome Avenue, Bronx, New York, October 10, 1897.

Street' spring on E. 176th Street, 150 feet east of Jerome Avenue, Bronx, New York City, October 10, 1897. View looking east.

Street' spring on E. 176th Street, 150 feet east of Jerome Avenue, Bronx, New York City, October 10, 1897. View looking east.

Unidentified man using a spring on Burnside Avenue, east of Sedgwick Avenue, Bronx, New York City, October 7, 1897.

Coach and horses passing a spring on Burnside Avenue, east of Sedgwick Avenue, Bronx, New York City, October 7, 1897. Croton Aqueduct gate house visible.

Spring located 500 feet north of Kingsbridge Road, between Kingsbridge Terrace and Sedgwick Avenue, Bronx, New York City, October 7, 1897.

Spring located 500 feet north of Kingsbridge Road, between Kingsbridge Terrace and Sedgwick Avenue, Bronx, New York City, October 7, 1897.

Spring on the southwest corner of North Street and Grand Avenue, Bronx, New York, October 1, 1897.

Spring at the southeast corner of Southern Boulevard and Leggett Avenue, Bronx, New York City, October 6, 1897.

Spring on the west side of Southern Boulevard, between Tiffany Street and Fox Street, about 500 feet north of Intervale Avenue, Bronx, New York City, October 6, 1897.

Spring on the Gouverneur Morris estare south of St. Ann's Avenue, 500 feet from the railroad round house, Bronx, New York City, October 6, 1897.

Indian Spring, on the southwest corner of Amsterdam Avenue and W. 124th Street, New York City, October 6, 1897.

Well located 25 feet south of W. 119th Street and 150 feet east of Amsterdam Avenue, New York City, October 6, 1897.

Simpson's well, Faile Street near Whitlock Avenue, 600 feet north of the Hunt's Point railroad station on the west side of the tracks, Bronx, New York City, October 4, 1897.

Spring near Hunt's Point railroad station, on Hunt's Point Avenue between Whitlock Road and Garrison Avenue, Bronx, New York City, October 4, 1897.

Well in Bronx Park near the Lorillard House, on the east bank of the Bronx River, Bronx, New York City, October 4, 1897.