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2020 June 30 Rectangular Surveys - Common Practices and Methods of Surveying in Public Land Webinar
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When: Tuesday, June 30, 2020
11:00 AM - 1:00 PM
Where: United States
Contact: Khea Adams

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2020 Spring Technical Conference


 Tuesday, June 30

11:00 AM - 1:00 PM

Rectangular Surveys - Common Practices and Methods of Surveying in Public Land States

A brief overview of the history of the Public Lands System of Surveys (PLSS) with emphasis on the structure of the township, range and section method for surveying, describing and conveying lands in post-colonial states; discussion on topics to included basis of bearing and datum of surveys, units, limits of closure, order of surveys (junior-senior), irregular townships/sections, original surveys and dependent surveys, and evidence obtained through dependent resurvey. The session will include guidance based on the Manual of Surveying Instructions, 2009, and its supplements for the proper method of conducting resurveys in the PLSS and include examples of various calculations used in the original survey and dependent resurvey processes. Attendees will be presented with problems during the session, with solutions and discussion.
"This session may qualify to meet the requirements of COMAR for ethics, law, and standards of practice."
2 CPC/PDH Awarded
Webinar Platform: GoToMeeting


Robert W. Dahl
Robert W. (Bob) Dahl retired in October 2016 from the Bureau of Land Management Cadastral Survey Program and currently employed as a Reemployed Annuitant with the BLM Headquarters Office in Washington DC.  His survey experience includes stationed, since 1998, at the Headquarters Office, working for the BLM Chief Cadastral Surveyor providing technical support and policy development.  Prior, he spent 22 years conducting dependent resurveys for Cadastral Survey in California, Oregon, and Washington.  Before the BLM he surveyed for a private surveyor and the U.S. Forest Service.  He is a licensed land surveyor in the States of California, Oregon, and Washington and a Certified Water Rights Examiner in Oregon.  He holds a Bachelor’s degree in Surveying from the Oregon Institute of Technology.  He is a member of National Society of Professional Surveyors, an instructor for the Certified Federal Surveyor (CFedS) Program, and was the Chief Editor of the 2009 edition of the Manual of Surveying Instructions.

Leon Chmura, Branch Chief of Cadastral Field Surveys, has served in several roles over his 23-year federal surveying career, all with BLM Eastern States Office.  Prior to his present position, he performed and assisted on surveys of national parks and refuges, Indian reservations, islands, lighthouse parcels, right-of-ways and other federal interest lands in 14 different states and the District of Columbia.  As a Survey Reviewer, he performed technical and procedural reviews of surveys performed by BLM prior to their acceptance as official cadastral surveys.  He has also served as the past acting Chief Cadastral Surveyor for Eastern States.  He began his federal career as a summer intern survey technician and joined BLM full-time after obtaining his B.S. in Surveying from Penn State, Wilkes-Barre.



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