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University
GNIS: Water Features (2013)
Earth Data Analysis Center, University of New Mexico —
The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board... -
State
i08 Delta InChannel Islands
State of California —
Data contains historical polygons of in-channel islands within the Sacramento San Joaquin Delta. Data consists of merged datasets from 1929, 1940, 1949, 1952, 1995,...