TY  - RPRT
TI  - A land use interpretation experiment, TR 69-5
AU  - Nelson R. Nunnally
AU  - Richard E. Witmer
PY  - 1970
DO  - 10.3133/ofr71218
UR  - https://pubs.usgs.gov/publication/ofr71218
ID  - ofr71218
ER  -