Applications in geological and hydrologic exploration & planning, Ap rill 23 - May 25; Applications in vegetation assessment and land use pl anning, August 27-Sept. 28, 1984 Eros Data Centre, Sioux Falls, South D akota.
- Dakota : [s. n], 1984.
- 12 p. ; 28 cm.
- Report ; no. 28. .