Bluff disk - NM1693
N 42° 27.767 W 096° 22.686
14T E 715565 N 4704491
A benchmark disk in the lawn near the Sergeant Floyd Monument!
Waymark Code: WM5HCA
Location: Iowa, United States
Date Posted: 01/08/2009
Views: 28
Designation: BLUFF
Marker Type: triangulation station disk
Setting: set into the top of a round concrete monument
Altitude: 1224
Documented History (by the NGS)
1/1/1948 by CGS (MONUMENTED)
DESCRIBED BY COAST AND GEODETIC SURVEY 1948 (MEW) STATION IS LOCATED IN SOUTHEAST EDGE OF SIOUX CITY BETWEEN U.S. HIGHWAY 75 AND THE MISSOURI RIVER AT LEWIS AND CLARK MONUMENT WHICH IS ABOUT 75 FEET HIGH AND SIMILAR IN CONSTRUCTION TO THE WASHINGTON MONUMENT. STATION IS 62 FEET NORTHWEST OF THE NORTHWEST CORNER OF IRON PICKET FENCE WHICH ENCLOSES MONUMENT, 7 FEET WEST OF WITNESS POST AND 6 FEET NORTH OF IRON GUARD RAIL AROUND PAVED DRIVE. THE MARK IS FLUSH WITH THE GROUND AND THE DISK IS STAMPED BLUFF 1948. REFERENCE MARK NO. 1 IS 77.56 FEET EAST SOUTHEAST OF STATION AND 6 FEET NORTHEAST OF NORTHEAST CORNER OF IRON PICKET FENCE. THE MARK IS SET FLUSH IN A DRILLHOLE IN THE CONCRETE BASE OF MONUMENT AND THE DISK IS STAMPED BLUFF NO 1 1948. REFERENCE MARK NO. 2 IS 107.11 FEET SOUTH OF STATION AND 38 FEET SOUTHWEST OF THE SOUTHWEST CORNER OF IRON PICKET FENCE. THE MARK IS SET FLUSH IN A DRILLHOLE IN THE CONCRETE WHICH ALSO SUPPORTS ONE OF THE IRON GUARD RAIL POST AND THE DISK IS STAMPED BLUFF NO 2 1948. AZIMUTH MARK IS APPROXIMATELY 0.25 MILE SOUTHEAST OF STATION, 50 PACES EAST OF LARGE BILLBOARD, 2 FEET WEST OF WITNESS POST AND 1.5 FEET NORTH OF FENCELINE. THE MARK PROJECTS ABOUT 4 INCHES AND THE DISK IS STAMPED BLUFF 1948. TO REACH STATION FROM JUNCTION OF U.S. HIGHWAYS 20 AND 75 IN EAST EDGE OF SIOUX CITY GO SOUTH, WEST AND SOUTH ON U.S. HIGHWAY 75 FOR 2.15 MILES. TURN RIGHT ON DIRT ROAD AND GO EAST 0.15 MILE TO MONUMENT AND STATION AS DESCRIBED. TO REACH AZIMUTH MARK FROM STATION RETURN TO HIGHWAY AND PACK EAST UP BLUFF TO AZIMUTH ALONG FENCELINE AS DESCRIBED. A 4 FOOT SIGNAL AT STATION SERG 1934 IS VISIBLE FROM THE GROUND. A 74 FOOT SIGNAL AT STATION AIR IS VISIBLE FROM THE GROUND. A 100 FOOT SIGNAL AT STATION DAKOTA IS VISIBLE FROM THE GROUND. HEIGHT OF LIGHT ABOVE STATION MARK 1 METERS.
Condition: Mark found in good condition
Designation: BLUFF 1948
Benchmark Agency: U.S. Geological Survey
Monumentation type: TRIANGULATION STATION Disk
County: Sioux City, Iowa, USA
USGS 7.5' Topographic Quadrangle Name (optional): Sergeant Floyd Monument USGS Sioux City South Quad, IA,SD,NE, Topographic Map
Special category (optional): Not listed
Find type: Coordinates and/or to-reach information from the NGS database (or Geocaching's copy of it) were used
Web address of this benchmark's datasheet (optional): [Web Link]
Benchmark Agency (if other): Not listed
Monumentation type (if other): Not listed
Special Category (if other): Not listed
NGS PID: Not listed
Local database's URL (optional): Not listed
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Visit Instructions:
- A closeup photo of the mark taken by you is required.
- A 'distant' photo including the mark in the view is highly recommended. Include the compass direction you faced when you took the picture.