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The National Map! https://viewer.nationalmap.gov/basic/ https://viewer.nationalmap.gov/basic/ Kinda hard to use, though. You can find the raw data by state her
by MonkeyDan 8y ago
The National Map! https://viewer.nationalmap.gov/basic/ https://viewer.nationalmap.gov/basic/
Kinda hard to use, though. You can find the raw data by state here: ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/LPC/projects/