TY - RPRT TI - System 8. GSLITH and related programs version 8, for the IBM PC and compatible microcomputers, to assist workers in the earth sciences in management of drill data located with geodetic coordinates : provides for drawing of sections and plan views, and export of ASCII files for contouring AU - G.I. Selner AU - Richard B. Taylor PY - 1992 DO - 10.3133/ofr92260a UR - https://pubs.usgs.gov/publication/ofr92260A ID - ofr92260A ER -