Survey Size:
Bristol Bay Survey
2,400 square miles; 1,600 stations
Data Spacing:
½ mile intervals on lines 3 miles apart, acquired using helicopter-supported inertial surveying
Terrain Corrections:
Through Hayford-Bowie Zone J
Data Provided:
- Bouguer Gravity Map (scale 1:96,000): Gravity data are tied to the Worldwide Defense Mapping Agency base station gravity network.
- Magnetic tape and computer printout containing all principal survey facts including: station number, date surveyed, latitude, longitude, UTM X-coordinate, UTM Y-coordinate, elevation, terrain correction, station gravity, free-air gravity and Bouguer gravity calculated with three densities
- Reports
