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 |
도서 본문에서
61개의 결과 중 1 - 5개
2 페이지
... feet above the Gulf of Mexico , proceeding northerly on the line of the lower road to El Paso , we soon remark a rapid change in the general features of the country . The underlying lime- stone formation becomes more largely developed ...
... feet above the Gulf of Mexico , proceeding northerly on the line of the lower road to El Paso , we soon remark a rapid change in the general features of the country . The underlying lime- stone formation becomes more largely developed ...
3 페이지
... feet , and 8 feet in depth . Only limited portions of the adjoining valley are subject to that degree of overflow , such as constitutes what is commonly understood as bottom - land . Owing to the steep and crumbling nature of the banks ...
... feet , and 8 feet in depth . Only limited portions of the adjoining valley are subject to that degree of overflow , such as constitutes what is commonly understood as bottom - land . Owing to the steep and crumbling nature of the banks ...
4 페이지
... feet . This shows a rise of 1,800 feet from the lowest series of this formation , ( the mouth of Devil's river , ) and 2,200 feet above San Antonio , giving an average rise of 7 feet to the mile . Quite constantly in the distance , to ...
... feet . This shows a rise of 1,800 feet from the lowest series of this formation , ( the mouth of Devil's river , ) and 2,200 feet above San Antonio , giving an average rise of 7 feet to the mile . Quite constantly in the distance , to ...
8 페이지
... feet rugged igneous rocks , having a granitic texture , and character- ized by Professor Hall as " feldspathic or granitic lava . " ( No. 40. ) ORDERBAL View of the Initial Point , on Rio Bravo . On the Mexican side , the various ...
... feet rugged igneous rocks , having a granitic texture , and character- ized by Professor Hall as " feldspathic or granitic lava . " ( No. 40. ) ORDERBAL View of the Initial Point , on Rio Bravo . On the Mexican side , the various ...
9 페이지
... feet . No very marked change is observable in the character of the rock from above downwards , or any local evidence of a change of formation . We have , however , evidence from erratic fossils of the presence of a lower order of rocks ...
... feet . No very marked change is observable in the character of the rock from above downwards , or any local evidence of a change of formation . We have , however , evidence from erratic fossils of the presence of a lower order of rocks ...
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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