Field monitoring stations

Locations where USGS scientists or their collaborators make measurements of natural phenomena.
This category is also used for benchmarks, field stations, seismic monitoring stations, and stream gaging stations.

Results listed by similarity [list alphabetically]
Missouri Breaks Project, Montana - Digitized aeromagnetic data

Previously created but unpublished map sheets were scanned, registered, and the contours were digitized. The point data released here were extracted from the digitized contour lines and include: latitude, longitude, and magnetic-field value (gamma). Data are provided in a fixed-field columnar text format.