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Mark Harrison replied to the topic Site Survey Equipment in the forum TECHNOLOGY 13 years, 3 months ago
Range poles with an optical prism: Start with either a sheet of grid paper or an aerial photo with a card table on the site. Tape paper onto foam core board. Tape board onto card table. If using an aerial, get it from a professional aerial survey mapping company, not Google Earth. Call the city planner if you can’t find a source. Find two…[Read more]
Mark Harrison
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