Wilbert Smith Archives Files Box 1131 11 1131-11-p022

Document Text (OCR)

ah. in the overall formula for obtaining the weighting factor, Question & ~ if the position of the observer can be plotted as a pencil point on a map, scale one mile to one inch, 5 points should be allowed; if the position can be established within one city block or a square 500' on the side, 4 pointe should be allowed; within a square 2000' on the side, 3 points should be allowed; within one square mile, 2 pointe should be allowed; within city or township limits, one point should be allowed;...