Wilderness Navigation (Mountaineers Outdoor Basics) by Bob Burns & Mike Burns

Author:Bob Burns & Mike Burns [Burns, Bob & Burns, Mike]
Language: eng
Format: epub
ISBN: 9781594859465
Publisher: Mountaineers Books
Published: 2015-02-24T07:00:00+00:00

Figure 47. In the states of Washington and Oregon, township line boundaries are defined based on their distance north or south of the Willamette Baseline. Range line boundaries are defined based on their distance east or west of the Principal Willamette Meridian. These lines intersect just west of Portland in Willamette Stone State Park.

Figure 48. A portion of a USGS topographic map, showing section, range, and township numbers and boundaries

In locations where the land has been surveyed using this method, the boundaries between sections, townships, and ranges are usually indicated by light red lines on USGS topographic maps. The township and range boundaries are shown by red letters and numbers such as R5E or T6N near the edges of the maps. The sections are numbered from 1 to 36 with red numbers in the centers of the sections. In figure 48, for example, the hill indicated by A is in Section 36, T15N, R6E. Big Creek Campground (indicated by B) is in Section 6, T14N, R7E.

Some areas in the United States have not yet been surveyed. In these areas, the range, township, section system cannot be used. In this case, locations can be specified using the lat/long system or the UTM system.

Property surveys, timber sales, and some other forestry-related applications often use the section, township, and range system, though this system is not available on all GPS receivers.

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