Orthoimage derived from historical aerial imagery of the South Cow Mountain Recreational Area, Lake County, California, May 27, 1977
The USGS, in cooperation with the U.S. Bureau of Land Management (BLM), created a series of geospatial products using historic aerial imagery and Structure from Motion (SfM) photogrammetry methods.  A high-resolution orthomosaic of the South Cow Mountain Recreational Area was generated from stereo historical aerial …