"GIS is an invaluable tool...".
This map shows the area before and after September 11, in close detail.
Transcript: GIS is an invaluable tool ... for the emergency response operations used extensively after the attack on the World Trade Center, September 11, 2001.
Location: World Trade Center
Object #: 2002.0116
Source: Gift of Sanborn Colorado LLC
Maps of lower Manhattan
These geographic information system (GIS) maps are part of a computerized project mapping the city’s infrastructure for the New York City Department of Environmental Protection. Context:
The September 11 terrorist attack destroyed and damaged many New York City buildings, changing the landscape of lower Manhattan. These three geographic information system (GIS) maps document lower Manhattan before and after September 11, 2001.