TY  - RPRT
TI  - Portrayal of drainage and vegetation on topographic maps
AU  - W.J. Schneider
AU  - J. C. Goodlett
PY  - 1962
DO  - 10.3133/ofr62121
UR  - https://pubs.usgs.gov/publication/ofr62121
ID  - ofr62121
ER  -