TY  - RPRT
TI  - Extensive droughts in the conterminous United States during multiple centuries
AU  - Gregory J. McCabe
AU  - David M. Wolock
PY  - 2022
DO  - 10.1175/ei-d-21-0021.1
UR  - https://pubs.usgs.gov/publication/70236142
ID  - 70236142
ER  -