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White markers are areas of proposed excavation, generally found at construction sites. Pink markings are temporary survey markings. Red flags indicate electric power lines, cables, conduit and ...
Survey markers and measuring elevation. Van Westrum, who is the gravity program manager for the NGS in Boulder, said survey markers are generally used for measuring two things: horizontal location ...
she buried her daughter and unborn grandchild here 8 months ago - shunta mcwilliams / buried daughter and unborn grandchild :28-:33 "it's hard, it's very hard. it's taking all my might." upon entering ...