Page 263 - Laboratory Manual in Physical Geology

Name of quadrangle, year published (1958), and year photorevised (1974) Map location

Public Land Survey System range boundary (Southern half of map reduced to about 55% of its actual size) (Courtesy of USGS)

Map ratio scale, bar scales, and contour interval

Directional data including declination (difference in degrees) between compass north (MN) and true north (star symbol) –minute topographic quadrangle map.

Contour lines (narrow) Index contours (bold)

USGS Ritter Ridge, CA 7.5

datum, and Public Land Survey System grid

Latitude minutes Read 34° 32' 00" N Description of the age of map data, UTM zone and FIGURE 9.3 (SOUTHERN HALF)