USGS Site Map for USGS 09050590 HAROLD D. ROBERTS TUNNEL x

Summit County, Colorado

Hydrologic Unit Code 14010002

Latitude 39°37'01", Longitude 106°02'45" NAD27

Gage datum 8,840 feet above NGVD29

Location of the site in Colorado

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U.S. Department of the Interior | U.S. Geological Survey
Title: NWIS Site Inventory for USA: Site Map
URL: https://waterdata.usgs.gov/nwis/nwismap?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-10-06 15:07:07 EDT
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