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Log in Start free data: 2026-09-08
Actor/malonestar

USGS Historical Topographic Map Chronology - ASTM Phase I ESA

MonitoringUSGS National Map (usgs.gov)

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.

Publisher description, verbatim
Last 7 dayson this actor
  • 1other change
  • 1new rival on USGS
Each one reaches followers by email the morning after.Follow this actor
Key figures30 readings
Price / 1k$10.00per 1,000 results
Users / 30d1→ 0 over 30 readings
Users, all time2→ 0 over 30 readings
Runs / 30d29↑ 24 over 30 readings
Runs / user / mo29.0runs per monthly user
Users / 30d30 readings
08-10→ 009-08
Standing
#14of 26

on USGS, by users in the last 30 days among actors classified to this platform.

Recorded changes

showing 3 of 5 in the last 30 days · followers get all 5 by email
  • 2026-09-05changeTitle changed—on record
  • 2026-08-23platformPlatform standing moveleft top-10 on usgs.gov (#10 → #11 of 20)—on record
  • 2026-08-21schemaInput schema changed—on record

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