NADA Historical Comparison Maps

NADA Historical Comparison Maps
PDSI maps from 1911, 1934, 1984 based on North American Drought Atlas data

File 232795 is a 2.7MB Acrobat (PDF)
Uploaded: Oct31 18
Last Modified: 2018-10-31 12:13:33
https://serc.carleton.edu/download/files/232795/nada_historical_comparison_maps.pdf

The file is referred to in 2 pages
Provenance
North American Drought Atlas - http://drought.memphis.edu/NADA/
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