STRATA — Geological survey core sample poster

STRATA — Geological survey core sample poster

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Photographic poster: a dark, textured rock core sample mounted on folded off-white paper overlaid with cobalt-blue topographic contour lines, survey metadata...

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STRATA; GEOLOGICAL SURVEY / SECTION 08; CORE SAMPLE; [2026]; COORDINATES 34.6522° N 118.2437° W; ELEV. 720 M; 01. DRY CRUST; 02. QUARTZ VEIN; 03. SEDIMENT; SURVEY UNIT 08-A; +980 +860 +720 +540

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