Description: Benchmarks are markers (often nails in roads or in the ground) that can be used as a known geographic reference sources to determine accurate positions during surveys. It is usefull to track the locations of benchmarks as well as conditional information (benchmarks are often destroyed during new constructions) and description of the benchmark.
Service Item Id: 8b745c1f332940b6a84e0d326d9c99a7
Copyright Text: The source for Benchmarks is site surveys. Feature class in stewardship of COPB GIS.