http://www.ngs.noaa.gov/web/about_ngs/history/Survey_Mark_Art.pdf
http://www.nytimes.com/2013/09/08/business/preflight-turbulence-for-commercial-drones.html?_r=0
http://www.dot.ca.gov/hq/row/landsurveys/Study_material/BLM_References/BLMglossery.pdf
http://www.youtube.com/watch?v=N1m_pXX44sY
http://www.auvsi.org/Home/http://www.auvsishow.org/auvsi13/public/Content.aspx?ID=1296
http://www.amerisurv.com/PDF/TheAmericanSurveyor_Trojak-RewritingJobDescription_Vol10No10.pdf
Congratulations to Dr. GibsonNCEES-Gibson-Presidents-Award-News-Release.pdfDavid-Gibson1.JPGDavid-Gibson3.JPG
I thought this article was well written and contained a good background of GPS derived vertical values along the Louisiana Coast, minimum standards, pre-planning, field procedure, establishing permanent deep rod monuments and more.4062241-1-4.pdf