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NH1123 - RICHMOND MUNICIPAL TANK - Richmond, IL
Posted by: Groundspeak Premium Member Raven
N 42° 28.963 W 088° 18.337
16T E 392692 N 4704199
Quick Description: Located at the northern edge of Richmond, IL along Main St. (US 12), the ball at the apex of the roof of this old 1917 water tank is a NGS benchmark ("NH1123"). A more "standard" benchmark is located at the base of its northwestern leg as well.
Location: Illinois, United States
Date Posted: 10/2/2019 8:11:20 AM
Waymark Code: WM11DEY
Published By: Groundspeak Premium Member Ernmark
Views: 1

Long Description:
As described by the CGS in 1935 (when it was first observed):

"THIS STATION IS THE TALL SLIM SILVER MUNICIPAL TANK AT THE NORTH EDGE OF THE VILLAGE OF RICHMOND, ILLINOIS. IT IS LOCATED ABOUT 0.2 MILE NORTH OF ILL. ROUTE 173, AND ABOUT 135 FEET EAST OF THE CENTERLINE OF U.S. ROUTE 12, ON A HIGH KNOLL. THE TANK WAS ERECTED IN 1917 AND IS QUITE PROMINENT. THE TANK HAS FOUR TRUSSWORK LEGS ABOUT 120 FEET HIGH. THE OVAL SECTION EXTENDS DOWNWARD ABOUT 20 FEET. THE VERTICAL SECTION IS ABOUT 25 FEET HIGH, AND HAS A CATWALK AND RAIL AROUND ITS BASE. THE STEEP CONICAL ROOF HAS A BALL AT ITS APEX. THE TOTAL HEIGHT IS ABOUT 150 FEET."

The CGS description is still very accurate, and the ball at its apex -- which I assume is the station in question -- is still there. Likewise, the NGS' currently posted coordinates ("N 42 28 57.79286 W 088 18 20.21357", or "N 42° 28.963 W 088° 18.337") were spot on: my measurements were the same based on 10+ readings within 10' accuracy.

The station was recovered in good condition.

---

Below are some basic additional facts, per the NGS database (with some editing for length): (visit link)

NH1123 ***********************************************************************
NH1123 DESIGNATION - RICHMOND MUNICIPAL TANK
NH1123 PID - NH1123
NH1123 STATE/COUNTY- IL/MCHENRY
NH1123 COUNTRY - US
NH1123 USGS QUAD - RICHMOND (1992)
NH1123
NH1123 *CURRENT SURVEY CONTROL
NH1123 ______________________________________________________________________
NH1123* NAD 83(1997) POSITION- 42 28 57.79286(N) 088 18 20.21357(W) ADJUSTED
NH1123 ______________________________________________________________________
NH1123 GEOID HEIGHT - -34.221 (meters) GEOID18
NH1123 LAPLACE CORR - -2.05 (seconds) DEFLEC18
NH1123 HORZ ORDER - THIRD
NH1123
NH1123_MARKER: 53 = ELEVATED TANK
NH1123_SATELLITE: THE SITE LOCATION WAS REPORTED AS SUITABLE FOR
NH1123+SATELLITE: SATELLITE OBSERVATIONS - April 27, 2003
NH1123
NH1123 HISTORY - Date Condition Report By
NH1123 HISTORY - 1935 FIRST OBSERVED CGS
NH1123 HISTORY - 1966 GOOD CGS
NH1123 HISTORY - 1987 GOOD USPSQD
NH1123 HISTORY - 19940602 GOOD USPSQD
NH1123 HISTORY - 20030427 GOOD USPSQD
NH1123 HISTORY - 20060708 GOOD GEOCAC
Condition: Mark found in good condition

Designation: RICHMOND MUNICIPAL TANK

Benchmark Agency: National Geodetic Survey

Monumentation type: Elevated Tank

County: McHenry County

USGS 7.5' Topographic Quadrangle Name (optional): Richmond

Find type: Found by luck/skill/knowledge

Web address of this benchmark's datasheet (optional): [Web Link]

NGS PID: NH1123

Benchmark Agency (if other): Not listed

Monumentation type (if other): Not listed

Special category (optional): Not listed

Special Category (if other): 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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Raven visited NH1123 - RICHMOND MUNICIPAL TANK - Richmond, IL 5/11/2019 Raven visited it