Historical Topographic Map Chronology - ASTM Phase I ESA 8.3.4 avatar

Historical Topographic Map Chronology - ASTM Phase I ESA 8.3.4

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Historical Topographic Map Chronology - ASTM Phase I ESA 8.3.4

Historical Topographic Map Chronology - ASTM Phase I ESA 8.3.4

Under maintenance

Builds the full USGS historical topographic map chronology for any coordinate and runs an ASTM E1527-21 Sec. 8.3.4 historical records review: five-year interval coverage back to 1940, with data gaps explicitly identified. Every map year, scale, quadrangle and download URL. Keyless USGS data.

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from $5.50 / 1,000 results

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Kyle Maloney

Kyle Maloney

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