Patent, Gammon Reel, 1962 Surveying equipment, Land surveying
By A Mystery Man Writer
maSSr ' - California Land Surveyors Association
Surveyors Week: Land Surveying: Then and Now
TheCalifornia Surveyor - CLSA
maSSr ' - California Land Surveyors Association
antique surveying instruments & tools
antique surveying instruments & tools
Gammon reel survey
310 Antique Surveyors Tools & Notable Historical Surveyors ideas
Survey Equipment
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