| Geodetic Monuments in Garland |
|  |  | | 1990 Original primary monuments set (3-1/4" alum. in 6" PVC w/ hinged access cover) | 1996 Azimuth markers set (2" brass) | |  |  | | 2002 Additional primary monuments set by GBW Engineers, Inc. using RTK (2" brass, No. 51-58) | 2004 Additional primary monuments set by the City of Garland using min. 4 hrs. static/OPUS (2" brass, No. 64 and up) |
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