TY  - RPRT
TI  - ARC/INFO to grass conversion manual for the upper Mississippi River system project using the Sun Sparc Station 2 and Grass Version 4.0
AU  - R. G. Waltermire
PY  - 1993
UR  - https://pubs.usgs.gov/publication/70128784
ID  - 70128784
ER  -