Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 208
urse. We will call this station A, andthe trial line AB. In order to determine if the area cut off is equal to therequired area, we must first determine the length of ^^ andof B 6. These cannot be determined by the method of sup-plying lost notes. We must first calculate the length of a line,… … Fio. 118. 202 ELEMENTS OF SURVEYIN^G. [book V. Now, in the triangle ^^ 5 we have one side and the angles,to find the remaining parts. ^^ is found to be 28.88 chainsand Bh to be 22.81 chains. We have now the complete field-notes of the area cut off. A S 60° E 28.88 ch. B N 28f E 22.81 5 N 57° W…
Surveying
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