North American Database of Archaeological Geophysics
North American Database of Archaeological Geophysics
Graphic/Image:
Project Name: Fort Clatsop National Memorial, OR;
Reference: Weymouth, J. W. (2001). The Integration of Four Seasons Magnetic Surveys at Fort Clatsop National Memorial. University of Nebraska, Lincoln, Nebraska. Submitted to the Fort Clatsop National Memorial, National Park Service, Astoria, Oregon.
Fort Clatsop magnetic survey, all seasons, clipped at +/- 130 nT. The scale of the map is 1 inch=50 feet.