Page 262 - Laboratory Manual in Physical Geology

and year photorevised (1974)
year published (1958),
Name of quadrangle,
Directional data including declination (difference in degrees) between compass north (MN) and true north (star symbol) Map location Public Land Survey System range boundary Map ratio scale, bar scales, and contour interval (Southern half of map reduced to about 55% of its actual size) (Courtesy of USGS) –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)