TY  - RPRT
TI  - Rio Grande valley Colorado new Mexico and Texas
AU  - Sherman R. Ellis
AU  - Gary W. Levings
AU  - Lisa F. Carter
AU  - Steven F. Richey
AU  - Mary Jo Radell
PY  - 2007
DO  - 10.1111/j.1752-1688.1993.tb03230.x
UR  - https://pubs.usgs.gov/publication/70018388
ID  - 70018388
ER  -