Troy, New York

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Collar City Bridge

In 1978, the Collar City Bridge was one of the last big Urban Removal projects in Capital Region, ramming it's way through downtown Troy, leaving it's noisy and smelly mark on an area just north of the downtown.

Griswold Heights 1952

According to state tax records, Griswold Heights was constructed around 1950. By 1952, most of the projects were done and as you can see from the 1952 aerial, few things have change in Griswold Heights in the past 70 years.

NY State Topographic Map Index

This is an index of all the 1:24k or 1:24,000 scale topographic maps for New York State. You can use this index to download high-resolution maps, both the traditional DRG topographics and the latest all-digital version based on the National Map project.

Download Topographic Maps (Newest National Map - PDF or GeoTIFF)

Download Historical Topographic Maps (PDF - Traditional DRG Raster/"Hand Drawn" Maps, going back to 1880s to Present)

Download Historical Topographic Maps (GeoTIFF - Traditional DRG Raster/"Hand Drawn" Maps, going back to 1880s to Present)