Found:


Pocantico gate house. Looking east

P. de Luze, c. 1883 - in or before 1887

Headhouse, Shaft No. 29 Tenth…

C.V.V. Powers, c. 1883 - in or before 1887

Site of proposed Quaker Bridge Dam…

P. de Luze, c. 1883 - in or before 1887

Gould's swamp, looking south

Saul Davis, c. 1883 - in or before 1887

Ingersoll drill Co's compressor…

C.V.V. Powers, c. 1883 - in or before 1887

Headhouse shaft No. 25

C.V.V. Powers, c. 1883 - in or before 1887

Ardsley gate house, section no. 7

P. de Luze, c. 1883 - in or before 1887

Excavating shaft No. 26

George P. Hall & Son, c. 1883 - in or before 1887

Driving a heading

Saul Davis, c. 1883 - in or before 1887

Sleepy Hollow Highway Bridge and…

P. de Luze, c. 1883 - in or before 1887

Turning the arch

George P. Hall & Son, c. 1883 - in or before 1887