Author: Rj Zimmer

Rj Zimmer is a professional land surveyor and the GIS Director for DJ&A, PC - an engineering and surveying company in Helena, Montana. Mr. Zimmer has more than 20 years of experience managing and using GIS in local government and as a consultant. He began his surveying career in 1973 and is currently licensed in Oregon and Montana. He earned an engineering degree from Oregon State University, has published more than 50 articles on GIS and surveying, and teaches GIS courses at a local college.     Links: Contact RJ Article List Below www.rjzimmer.com