Denver Federal Center USGS new benchmark (5665) - Denver, CO
Posted by: Groundspeak Premium Member Outspoken1
N 39° 42.715 W 105° 07.535
13S E 489235 N 4395791
USGS benchmark located near USGS building at Denver's Federal Center
Waymark Code: WM7RWR
Location: Colorado, United States
Date Posted: 11/28/2009
Published By:Groundspeak Premium Member Ernmark
Views: 10

The USGS office at the Denver Federal Center teaches a free map, compass and GPS class which I attended several years ago. They demonstrated how technological improvements have aided cartography by using the two USGS Benchmarks in front of the building. The original benchmark was found to be off by about 100' when they USGS employees began to teach the class. So they had this second, more accurate benchmark placed at this more accurate location (WM7RWJ).

The coordinates on the benchmark read: Elevation 5665 feet above sea level; NGVD88; 39 42 42.6N; 105 07 30.0 W; NAD85

Condition: Mark found in good condition

Designation: -blank-

Benchmark Agency: U.S. Geological Survey

Monumentation type: BENCH MARK (or B.M.) Disk

County: Jefferson

USGS 7.5' Topographic Quadrangle Name (optional): USGS Fort Logan Quad, Colorado

Find type: Found by luck/skill/knowledge

Benchmark Agency (if other): Not listed

Monumentation type (if other): Not listed

Special category (optional): Not listed

Special Category (if other): Not listed

Web address of this benchmark's datasheet (optional): Not listed

NGS PID: Not listed

Local database's URL (optional): Not listed

Visit Instructions:
  1. A closeup photo of the mark taken by you is required.
  2. A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.
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