. Bulletins of American paleontology. Mexican ammonites: Verma & Westermann 113 IVANEGAS (RLY STATION. I I QUARTERNARY LOWER CRETACEOUS JURASSIC TRIASSIC ;^3^ PALEOZOIC (')METAMORPHICS ---- IGNEOUS EXTRUSIVES ^ IGNEOUS INTRUSIVES SCALE' iKMS PAVED HIGHWAY JEEP ROAD -"âIâ>â RAILWAY LINE f FAULT GEOLOGICAL BOUNDARIES ::v_v: topographic contours (M) WORKING MINES TOWNS & VILLAGES â¡ Text-fig. 2. â Geological map of the Sierra Catorce, northern part, (modi- fied after Carta Geologica de la Republica Mexicana, 1968, scale 1:500,000).. Please note that these images are extracted from
. Bulletins of American paleontology. Mexican ammonites: Verma & Westermann 113 IVANEGAS (RLY STATION. I I QUARTERNARY LOWER CRETACEOUS JURASSIC TRIASSIC ;^3^ PALEOZOIC (')METAMORPHICS ---- IGNEOUS EXTRUSIVES ^ IGNEOUS INTRUSIVES SCALE' iKMS PAVED HIGHWAY JEEP ROAD -"âIâ>â RAILWAY LINE f FAULT GEOLOGICAL BOUNDARIES ::v_v: topographic contours (M) WORKING MINES TOWNS & VILLAGES â¡ Text-fig. 2. â Geological map of the Sierra Catorce, northern part, (modi- fied after Carta Geologica de la Republica Mexicana, 1968, scale 1:500,000).. 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 Paleontological Research Institution (Ithaca, N. Y. ); Columbia University. Ithaca, N. Y. , Paleontological Research Institution [etc. ]
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