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University
GNIS: Physical 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
Public Land Survey Quarter Quarter
State of Oregon —
This layer is based on the US Bureau of Land Management's (BLM) Geographic Coordinate Data Base (GCDB) coordinate data where it exists in Oregon. The remaining area...