Filters: Tags: Hunter, J.F. Collection (X) > partyWithName: Hunter, J. Fred (X)

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Precambrian rocks in Black Canyon showing granitic injections into schists. Black Canyon of the Gunnison National Park, Colorado. 1911. Album caption: Uncompahgre quadrangle, Colorado. Pre-Cambrian rocks in Black Canyon. Showing granatic injections into schists. Banded and folded structure. 1/50 sec., 8 stop. 12/14/11/ Handwritten notes on album caption: Gunnison Co. No index card. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Black Canyon of the Gunnison National Park, Black Canyon of the Gunnison National Park Collection, Hunter, J.F. Collection, National Parks, Photographers, All tags... photo print, Fewer tags