A user with 41 edits. Account created on 18 October 2010.
10 December 2010
17:1617:16, 10 December 2010diffhist−1
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Public Land Survey System
/* Summary Of Objects And Data Required To Be Noted During Surveyhttp://books.google.com/books?id=1X1VAAAAMAAJ&ots=yVuKwyy54l&dq=theory%20and%20practice%20of%20surveying%201913&pg=PP1#v=onepage&q&f=false J. B. Johnson, Leonard S. Smith; The Theory A