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The California Coastal Records Project, founded in 2002, [1] documents the California coastline with aerial photos taken from a helicopter flying parallel to the shore. Their webpage provides access to these images. One photo was taken every 500 feet. [2] [3] Each photo showed a few hundred yards of the coastline, with frames overlapping. [4]
Microsoft Research Maps (MSR Maps) was a free online repository of public domain aerial imagery and topographic maps provided by the United States Geological Survey (USGS). The site was a collaboration between Microsoft Research (MSR), Bing Maps, and the USGS. It was in operation from June 1998 to March 2016.
The USGS Library Photographic Collection is an archive of more than 500,000 still photographs, color transparencies, negatives, glass plate negatives, lantern slides and sketches and color transparencies taken during geologic studies of the United States and its territories from 1868 to present. Subjects include earthquakes, volcanoes ...
As proper interpretation of aerial photos can reveal historical changes of the topography and the details of previous landslides, it can be help determine whether an area is stable or not. [5] [4] Geologists can further utilize the interpretations to design the most favorable locations for field studies and the acquisition of data. [5]
United States Geological Survey marker on the summit of Maiden Peak (Washington) While much less expensive to compile and produce, the revised digital U.S. topo maps have been criticized for a lack of accuracy and detail in comparison to older generation maps based on aerial photo surveys and field checks. [33]
Image credits: Photoglob Zürich "The product name Kodachrome resurfaced in the 1930s with a three-color chromogenic process, a variant that we still use today," Osterman continues.
The National Map is part of the USGS National Geospatial Program. [3] The geographic information available includes orthoimagery (aerial photographs), elevation, geographic names, hydrography, boundaries, transportation, structures and land cover. The National Map is accessible via the Web, as products and services, and as downloadable data ...
Media in category "United States Geological Survey images" The following 122 files are in this category, out of 122 total. Back Brook, New Jersey (map).jpg 1,401 × 584; 117 KB