Historical | Eric Colburn, PLS

Surveyor’s Saturday Serendipity: Mystery Of The Ancient Maps ~ Graham Hancock

Surveyor’s Saturday Serendipity Mystery Of The Ancient Maps ~ Graham Hancock

A wee bit of Surveyor’s Saturday Serendipity with a Mystery Of The Ancient Maps ~ Graham Hancock video, for your watching pleasure.

At the Monuments to Life Conference Graham Hancock discusses the confounding mystery of maps drawn from ancient maps that shows features our modern culture had yet to discover. Pretty good evidence of an ancient civilization we have yet to identify.

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NGS Enabling Historical “T-Sheets” to be Accurately and Efficiently Geo-referenced

October 24, 2012 in Associate Membership, Business, Geomatics, Members, News, NGS, NOAA, Surveying Software

NOAA’s National Geodetic Survey (NGS)

NGS Enabling Historical “T-Sheets” to be Accurately and Efficiently Geo-referenced

Historical Topographic Sheets (“T-Sheets”) produced by the U.S. Coast and Geodetic Survey are referenced to various horizontal datums in use over the two hundred years since the first Survey of the Coast in 1816.

To use these maps to document coastal change, a conversion has to be made from the horizontal datum used at the time the map was published to the datum in which modern data are expressed.

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Tags: Business, Charts, Geo-Referenced, Geodetic, Geospatial, GIS, GPS, Historical, Historical Topographic Sheets, Land, Land Surveying, Land Surveying Business, Land Surveying Software, Map, Mapping, Maps, National Geodetic Survey, News, News Release, NGS, NOAA, Press Release, Professional, Professional Land Surveying, Professional Land Surveyor, Professional Land Surveyor Source, Releases, Software, Survey, Surveying, Surveyor, Surveyors, Surveys, T-Sheets, Technology, Topographic, U.S. Coast and Geodetic Survey 1 Comment »

USGS Historical Topographic Map Collection Now Online

September 17, 2011 in Associate Membership, Business, Geomatics, Land Surveying, Links, News

Examining Our Past: Historical Map Collection Now Online

U.S. Geological Survey

Nearly 90,000 high resolution scans of the more than 200,000 historical USGS topographic maps, some dating as far back as 1884, are now available online. The Historical Topographic Map Collection includes published U.S. maps of all scales and editions, and are offered as a georeferenced digital download or as a scanned print from the USGS Store.

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Tags: Business, Collection, Examining, Geography, Geospatial, Historical, Historical Topographic Map Collection, Land, Land Surveying, Map, Mapping, Maps, News, Now, Online, Our, Past, Professional, Professional Land Surveyor, Quadrangle, Survey, Surveyor, The National Map, Topographic, U.S., United States Geological Survey, USGS No Comments »

Eric Colburn, PLS

You are browsing the archive for Historical.

Surveyor’s Saturday Serendipity: Mystery Of The Ancient Maps ~ Graham Hancock

Surveyor’s Saturday Serendipity: US Historical County and State Boundaries

NGS Enabling Historical “T-Sheets” to be Accurately and Efficiently Geo-referenced

NGS Enabling Historical “T-Sheets” to be Accurately and Efficiently Geo-referenced

Professional Land Surveyor Weekly Roundup September 18, 2011

Professional Land Surveyor Weekly Roundup:

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USGS Historical Topographic Map Collection Now Online

Examining Our Past: Historical Map Collection Now Online

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