No audio available for this content. Figure 1: Utility access box installed over CORS reference mark Whitefish Pt A (NGS PID AA8050) at USCG lighthouse. (Photo: Jeff Olsen) GNSS users who appreciate ...
No audio available for this content. Back in the late 1980s, as project manager of the new adjustment of the North American Vertical Datum of 1988 (NAVD88), I worked with federal and state agencies to ...
Maui County is seeking the public’s help in collecting GPS coordinates on benchmarks throughout the county. Benchmarks are often indicated with a metal disk but can also be a physical structure such ...
The monument landscape in the U.S. saw headline-grabbing changes in 2020 as controversial statues across the country were toppled via both protest and legislation. Beyond those headlines, however, is ...
Q: I’ve seen survey markers out on the desert. How do you read survey markers and what are they for? How would I get more information about what was there? A: “The BLM’s Cadastral Survey Program ...
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