[Surveying and measuring base lines in the East Bronx.]

[Triangulation of Greater New York.]

[Survey of annexed district in the Bronx.]

[Surveying Prospect Park.]

Plan of the City of New York with the recent and intended improvements. Drawn from actual survey by William Bridges, City Surveyor, A.D. 1807.

[Construction Bureau.]

Map of Premises on the Northwesterly corner of 6th Av. and West 15th Street, Surveyed as in posession Feby 23rd 1870

[Pearsal Avenue north of Pelham Parkway.]

Facsimile of an Original Map of the City of New York Made in 1728 From Actual Survey.

New York to New Rochelle Christopher Colles's Survey of U. S. Roads 1789.

[Topographical Bureau.]

[Noble Avenue and Randall Avenue.]

[Hunts Point, Casanova Avenue near Oakwood Avenue.]

[Rosedale and Story Avenues.]

[Water towers.]

[High Bridge Water Tower.]

[Water Works Tower & High Bridge.]

[Engineers in tunnel during construction of present IRT at City Hall Station.]

Tower Theatre

[Park Avenue at 34th Street.]