Report on the United States and Mexican Boundary Survey: Made Under the Direction of the Secretary of the Interior, 1±Ç,ÆÄÆ® 2C. Wendell, printer, 1857 |
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... cretaceous strata of the United States with reference to the relative position of the fossils collected by the boundary commission ..... 126-138 Remarks upon the tertiary formation ; Cretaceous formation ; Carboniferous formation ...
... cretaceous strata of the United States with reference to the relative position of the fossils collected by the boundary commission ..... 126-138 Remarks upon the tertiary formation ; Cretaceous formation ; Carboniferous formation ...
viii ÆäÀÌÁö
... cretaceous table land formation ; upper portion of San Pedro river , Texas . Eagle Springs 2 5 Section of earthy table land forming the bluffs of the Rio Bravo , above El Paso ... 6 View of the initial point on Rio Bravo ......... .. 8 ...
... cretaceous table land formation ; upper portion of San Pedro river , Texas . Eagle Springs 2 5 Section of earthy table land forming the bluffs of the Rio Bravo , above El Paso ... 6 View of the initial point on Rio Bravo ......... .. 8 ...
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... cretaceous formation which characterizes so large a scope of country throughout middle and northwestern Texas . From San Antonio , occupying the first step in the cretaceous series , at an elevation of 600 feet above the Gulf of Mexico ...
... cretaceous formation which characterizes so large a scope of country throughout middle and northwestern Texas . From San Antonio , occupying the first step in the cretaceous series , at an elevation of 600 feet above the Gulf of Mexico ...
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... cretaceous fossils were collected , is 2,807 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 ...
... cretaceous fossils were collected , is 2,807 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 ...
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... formation that stamps the character of sterility on so large a scope of country forming those desert tracts known as ... cretaceous table- lands of Texas , before noticed . The proper alluvial tracts of the Rio Grande , as here met with ...
... formation that stamps the character of sterility on so large a scope of country forming those desert tracts known as ... cretaceous table- lands of Texas , before noticed . The proper alluvial tracts of the Rio Grande , as here met with ...
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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