GEOLOGICAL MAP OF SOUTHWESTERN HUMBOLDT COUNTY
Color: White
A map of the Southwesten Humboldt County mining district of northern California, issued by the California State Mining Bureau and compiled by Lawrence Vander Leck and Fletcher Hamilton, 1920. The plate has the district laid out in township grids with many townships identified and the sections numbered. Physical features identified include mountain ranges and individual peaks; lines for creeks and rivers and place names. The boundary at the south with Mendocino County is also noted at the bottom of the map. The Pacific Ocean is at the left with the legend at the lower left. In good condition, the artifact has creases from being folded, as Plate IV, into item .10, Petroleum Resources of California, Bulletin 89 (Sacramento: California State Mining Bureau), 1921, as well as two areas of foxing from acid damage at the upper left and lower right and very slight discoloration.
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Two-dimensional, Maps, California State Mining Bureau, Oil fields--California, Petroleum--Prospecting--California, Petroleum industry and trade--California
