The Planning and engineering interface with a modernized land data system : proceedings of the specialty conference, Stouffer's Inn, Denver, Colorado, June 2-4, 1980 / sponsored by the Surveying and Mapping Division of the American Society of Civil Engineers [and] Land Information Institute, in cooperation with ASCE Colorado Section ... [et al.] ; G . Warren Marks, editor.
The Planning and engineering interface with a modernized land data system : proceedings of the specialty conference, Stouffer's Inn, Denver, Colorado, June 2-4, 1980 / sponsored by the Surveying and Mapping Division of the American Society of Civil Engineers [and] Land Information Institute, in cooperation with ASCE Colorado Section ... [et al.] ; G . Warren Marks, editor.