Alaskan Geologic Photography Collection from USGS
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下载链接：
https://cmr.earthdata.nasa.gov/search/concepts/C2231549077-CEOS_EXTRA.html
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资源简介：
Collection of Alaskan photography taken throughout the state by explorers and
field geologists. Subjects include geology and geologic phenomenon, earthquake
damage, landscapes and people. Collection contains both photographs and slides.
Library indexed by subject, locality, and year.
Written requests accepted. Give as much information as possible to ensure
successful search. Lists of many of the photographs submitted by Alaskan
geologists are held in the technical data unit of the USGS branch of Alaskan
geology in Anchorage, Alaska.
提供机构：
CEOS_EXTRA
