Report on the United States and Mexican Boundary Survey: Made Under the Direction of the Secretary of the Interior, 1권,파트 2C. Wendell, printer, 1857 |
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4 페이지
... southwest , or away from the Limpia mountains . The inclination , however , shows , in many places , a variable direc- tion and intensity , depending on local causes connected with adjoining igneous exposures . A degree of metamorphism ...
... southwest , or away from the Limpia mountains . The inclination , however , shows , in many places , a variable direc- tion and intensity , depending on local causes connected with adjoining igneous exposures . A degree of metamorphism ...
10 페이지
... southwest , but at a smaller angle . Our route , following at first the regular Chihuahua road , passes nearly due south ; in about 15 miles from the river we reach a second terraced elevation of the table - land , rising as a steep ...
... southwest , but at a smaller angle . Our route , following at first the regular Chihuahua road , passes nearly due south ; in about 15 miles from the river we reach a second terraced elevation of the table - land , rising as a steep ...
11 페이지
... south- west . The plain traversed is similar in character , and continuous with that on the opposite side of the sand - hills , having , however , an increased elevation . Our route , bearing S.S.W. , is interrupted by occasional spurs ...
... south- west . The plain traversed is similar in character , and continuous with that on the opposite side of the sand - hills , having , however , an increased elevation . Our route , bearing S.S.W. , is interrupted by occasional spurs ...
13 페이지
... southwest . On reaching the banks of this latter stream , we find à mere rippling brook running over a pebbly bed . A short distance below , its waters are drawn off for the purpose of irrigating the gardens and cultivated fields which ...
... southwest . On reaching the banks of this latter stream , we find à mere rippling brook running over a pebbly bed . A short distance below , its waters are drawn off for the purpose of irrigating the gardens and cultivated fields which ...
14 페이지
... southwest ; thence flowing northeast 10 or 15 miles , it terminates in a marshy lake surrounded by mountains ; thus show- ing a character similar to that before noticed in reference to Lake Guzman and Sta . Maria on a smaller scale ...
... southwest ; thence flowing northeast 10 or 15 miles , it terminates in a marshy lake surrounded by mountains ; thus show- ing a character similar to that before noticed in reference to Lake Guzman and Sta . Maria on a smaller scale ...
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adjoining alluvial Ammonites basin beds belt bluffs Boundary Survey breccia calcareous cañon Caprina carbonate carboniferous limestone character clay coal measures coast collections color Colorado compact composed connexion containing copper Cordilleras course creek cretaceous cretaceous formation cretaceous fossils cretaceous strata crystalline deposits desert diluvial Eagle Pass El Paso elevation exhibit Exogyra exposures extensive feet feldspar feldspathic fossils Frémont frequently geological granite gravelly table-land green sand igneous rocks Inoceramus irregular Jersey lava lignite localities lower valve marked marl mass metamorphic rocks miles mineral Missouri mountain range mouth Nebraska numerous occur Ostrea Paso Pitcheri plain PLATE porphyritic portion present problematicus quartz region ribs ridge Rio Bravo river rocky Roemer San Pedro sandstone Santa shell side Sierra similar slope Sonoyta southwest species specimens springs strata stratified stream summit surface Tertiary formation TEXANA Texas texture thick umbo upper valley various vicinity volcanic