TY - RPRT TI - GSMCAD a new computer program that combines the functions of the GSMAP and GSMEDIT programs and is compatible with Microsoft Windows and ARC/INFO AU - Van S. Williams AU - Gary I. Selner AU - Richard B. Taylor PY - 1996 DO - 10.3133/ofr967 UR - https://pubs.usgs.gov/publication/ofr967 ID - ofr967 ER -