nps

The Sound of Silence: A Noise Map of the U.S.

Rebecca Maxwell

A map from the NPS displays the noisiest as well as the quietest places in the United States.

GPS and GIS Technologies Speed Assessment of Historic Sites in Post-Katrina New Orleans

Trimble

In this case study, FEMA and NPS collaborated on field assessment methodology to meet National Historic Preservation Act (NHPA) requirements ...