New Jersey Geodetic Control Survey bench marks in Essex and Passaic Counties;  elevations and descriptions of 583 bench marks established in Essex and Passaic counties including several in Bergen, Morris and Union counties. 
The bench marks included from the Ess-Pas level net. 
 - [Trenton]  Division of geology and topology,  1937. 
 - [112]p.  illus.(map) 
 - Bulletin 45, Geologic series .
<br/><br/> At head of title: Reports of the Department of conservation and development, State of New Jersey.  C.P. Wilber, director.  Various pagings.  Offset printed. 
<br/><br/><label>LCCN: </label>gs 38000141  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bench-marks.<br/>Geodesy--New Jersey.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>New Jersey--Altitudes.
<br/><br/><label>LC Class. No.: </label>QE141  / .A19 no. 45