TY - BOOK AU - Owings, R. TI - Gps mapings: make your own maps SN - 0-9760926-3-8 AV - QA 78 .O95 2005 PY - 2005/// CY - California PB - Ten Mile Press N1 - Examines how to interface a global positioning systems receiver with a computer to create maps, annotate aerial photos, and even create three dimension maps and includes where to find free software and maps, how to use aerial photos and satellite imagery.Explains how to locate trailheads using a real-time moving map on a laptop or personal digital assistant and how to best transfer information between a GPS, computer, and electronic maps ER -