HGSD Maps
Help for HGSD interactive Maps. Help also located on Map
Monitor Sites (CORS, GPS & Extensometers) with Charts also the 2000 releveling. **
Google Earth Maps 
KMZ Files are used to insert data into Google Earth. Here is a link to download Google Earth.
You can run these files from here if you have Google earth loaded. Or you can save these files to your desktop.
Executing these files will open Google Earth if loaded on your computer. Chart data updated automatically.
Monitor Sites (CORS, GPS & Extensometers) with Charts (KMZ) **
Non Interactive Materials
Maps PDF format.
HGSD Regulatory Area Map (PDF)
FBSD Regulatory Area Map (PDF)
Charts and Tables
PAM rotation & position table (Microsoft Excel xls)