Rapid Reconnaissance Sketching, Including Contouring
Rapid Reconnaissance Sketching, Including Contouring
Sherrill, Clarence Osborne
The book Rapid Reconnaissance Sketching, Including Contouring was written by author Sherrill, Clarence Osborne Here you can read free online of Rapid Reconnaissance Sketching, Including Contouring book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Rapid Reconnaissance Sketching, Including Contouring a good or bad book?
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Take a careful sight at the chimney of Flint House, which is a prominent point visible *It is well to have a systematic order of taking the inter- section sights from any station^ as for instance, from right to left across the front, so that no desired object will be overlooked by a haphazard method. These objects sighted should also be re- corded systematically so that the different rays will not be con- fused when the time comes to finish the intersections. This is best accomplished by placin...g a serial number exactly on each ray from a station; and on the edge of the sheet, placing a tabu- lated list of these sights for each station as follows: From Station A — Sights: 1. Bead A D. 2. Wire fence comer. 3. Stream junction. Digitized by Google Methods of Sketching 279 from all parts of the area and will be useful as a point to resect on. Traverse toward C, halting at X. On the top of the bank here, set up, orient by a back sight and take the following observations: Flint chimney; bridge north of A; hill top at road A D north of this bridge (north limit of sketch) } directly up the ravine line north of X; to the stream junction just east of the railroad track; to Y.
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