. Annual report. 1st-12th, 1867-1878. Geology. Plate XXYT. Map of Trinidad region. L/OTver coal hoHzon. Coed/- openinffs. Colorado Group. I Zipper cocci hor'izon. H^H BccscdUc Sccde of miles. AM. PHOTO-LITHO. CO. NY. (OSBORNE'S PROCESS). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological and Geographical Survey of the Territories (U. S. ); United States. General Land Office; United States. Dept. of the Interio


. Annual report. 1st-12th, 1867-1878. Geology. Plate XXYT. Map of Trinidad region. L/OTver coal hoHzon. Coed/- openinffs. Colorado Group. I Zipper cocci hor'izon. H^H BccscdUc Sccde of miles. AM. PHOTO-LITHO. CO. NY. (OSBORNE'S PROCESS). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological and Geographical Survey of the Territories (U. S. ); United States. General Land Office; United States. Dept. of the Interior. Washington, Govt. Print. Off.


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Keywords: ., bookcentury1800, bookdecade1860, bookpublishe, booksubjectgeology