Using a hand-held GPS unit. Online method (more on this later) GPS Equipment. Handheld ... Most USGS topographic maps used the survey points from 1927 (NAD27) ...
Title: SPCS Computations and Use Subject: SPCS Author: Donald M. Mulcare Last modified by: Donald M. Mulcare Created Date: 11/10/1997 9:52:36 PM Category
Traffic and Roads: http://wsdot.wa.gov/traffic/ Washington State Ferries Vessel Watch: http://www.wsdot.wa.gov/ferries/commuter_updates/vesselwatch ...