1.
Process for Evaluating Geographic Information Systems : Usgs Open-File Report 88-105
by Et Al., Guptill, Stephen C....
ISBN: 9781287017394
List Price: $21.75
OUT OF STOCK
See Availability on Amazon2.
Elements of Spatial Data Quality
by Guptill, Stephen C., Morris...
ISBN: 9780080424323
List Price: $157.00