History of Survey Markers – Posted in: About Us

Survey markers, also called survey marks, survey monuments, survey benchmarks or geodetic marks, are objects placed to mark key survey points on the Earth’s surface. They are used in geodetic and land surveying. Informally, such marks are referred to as benchmarks, although strictly speaking the term “benchmark” is reserved for marks that indicate elevation. Horizontal position markers used for triangulation are also known as triangulation stations. Early Pre-Disk Marks The original mandate of the Survey…

Continue reading
Continue reading...

National Park Foundation – Posted in: About Us

The National Park Foundation has a powerful impact on our spectacular national parks. Chartered by Congress in 1967, the National Park Foundation is rooted in a legacy that began more than a century ago, when private citizens from all walks of life took action to establish and protect our national parks. Every Dollars Helps For every benchmark sold, a portion of sales will be donated to the National Park Foundation on behalf of our amazing customer base…

Continue reading

ArcGIS Explorer – Posted in: About Us

U.S. Highpoints by Elevation View larger map Colorado 14ers View larger map Seven Summits View larger map Eight-Thousanders View larger map US National Parks by Age View larger map John Muir Trail View larger map Pacific Crest Trail View larger map

Continue reading