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1990 Original primary monuments set (3-1/4 inch aluminum in 6 inch PVC with hinged access cover)
1996 Azimuth markers set (2 inch brass)
2002 Additional primary monuments set by GBW Engineers, Incorporated using RTK (2-inch brass, Numbers 51 through 58)
2004 Additional primary monuments set by the City of Garland using minimum 4 hours static/OPUS (2-inch brass, Number 64 and up)