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Old August 13, 2011, 11:33 PM   #8
Art Eatman
Staff Lead
Join Date: November 13, 1998
Location: Terlingua, TX; Thomasville, GA
Posts: 24,567
1:24,000 = one inch for 2,000 feet or about 2.5 inches to the mile. Easy enough. I designed a bunch of dams/reservoirs and a canal from Texarkana to Lubbock from topo sheets. $9 billion worth of project, in 1968-sized dollars.

Navigated around a fair amount of Texas hunting, but quit worrying after I memorized the areas. Sorta like flying a 172 from Terlingua to Georgia. After a couple of trips, I didn't need Sectionals any longer. Lotsa landmarks.

Oh, about forgot: You can get scales which are set up for all manner of map scales. Again, surveyor supply stores. 1" to 24K, 62.5K, 250K, etc.
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