GPS on Bench Marks—Volunteer Opportunity! Posted on March 20, 2018 by Zhanna Submit your data and observations to help build and refine GEOID18!
Benchmark Interview Posted on August 15, 2006 by Zhanna The following questions were posed by Angus Stocking, editor of the upcoming book Lasting Impressions: A glimpse into the legacy of surveying, in which several of my benchmark photographs and stories are to be published.