AREGON, USA - MAY 02, 2018: - Geodetic survey triangulation among green hills, Aregon, USA
Size: 4261px × 2786px
Photo credit: © Undersea Oleg Kovtun / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: arrow, benchmark, benchmarks, coordinates, database, geodetic, geographic, geology, land, mark, marker, measurement, national, observation, point, stamped, survey, surveying, topographic, triangulation