U . S . A. 



(Mick.) 



I ATiT line- • 



TYPE OF MARK 



STAMPING ON MARK 



B 



£a£ 



it^^"^ ^r> 



AGENCY (CAST IN MARKS) 



ELEVATION 



/aCiZ,.'in =^ 



LONGITUDE 



t:.G..u.^ 



(NORTHING)(EASTINGI 



(EASTING)INORTHINGI 



GRID AND ZONE 



ESTABLISHED BY (AGENCY) 



n-C n, ^. 



(NORTH ING)(E A STING) 



(EASTINCXNORTHING) 



GRID AND ZONE 



£>cT.\q^5 



TO OBTAIN 



GRID AZIMUTH, ADD 



TO THE GEODETIC AZIMUTH 



TO OBTAIN 



GRI.D AZ. (ADDIISUB.) 



TO THE GEODETIC AZIMUTH 



AZIMUTH OR DIRECTION 



(GEODETIC)(GRID) 

 (MAGNETIC) 



SACK AZIMUTH 



z 



^- 



z 



Z- 



z: 



z 



z: 



This sits is located at the west end of Buchanan St. ADproximately I mile- 

 south of Robbins Rd. Grand Haven, Mich. 



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^-^ 



CaF I Le: 



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R£F. POINT 



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HA """ 1959 ♦"'-"", °/.;°.rw"rcH 



\jr\ IOCT«4l^«^i? .nt OBSOLtTK. 



DESCRIPTION OR RECOVERY OF HORIZONTAL CONTROL STATION 



(TH S-317) 



74 



