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Report on the United States and Mexican Boundary Survey: Made Under the Direction of the Secretary of the Interior, Volume 1, Part 2

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United States. Department of the Interior, William Hemsley Emory, Timothy Abbott Conrad

C. Wendell, printer, 1857 - Botany

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Contents

GENERAL GEOLOGICAL FEATURES OF THE COUNTRY	1

General map on stone colored to show general distribution of rocks	2

Valley of El Paso	7

View of the initial point on Rio Bravo	8

Corrallitos and Baranca	13

From Santa Cruz to Tucson	19

CHAPTER II	28

Meteoric iron green sand with lignite	34

Sectional view of the Valley de los Janos	66

Valley of Los Nogales	67

Vertical section of the Sierra de la Nariz	72

Cienaja de Sonoyta	74

Section of Lignite Bluff near San Diego	85

Vertical section of an extinct crater in the tertiary formation bordering the east slope of the California Cordilleras	92

Valley of the Colorado of the west and east slope of the Sierra Culaya	99

GEOLOGY AND PALEONTOLOGY	101

The Bombshell bluff on the Lower Rio Bravo del Norte	38

Physical features of the country	40

General view of organic remains	47

Lower limits of the El Paso basin	49

Sectional view of the Bofecillos mountain	51

Cañon of San Carlos	55

Sectional view of the Great Cañon near San Carlos	57

Santa Rosa and route to Eagle Pass	61

Specimens collected on the route from the Pacific coast eastward including the tertiary of the coast and	113

Observations on the carboniferous limestone of the boundary survey collections and its relations with the carbon	122

Remarks upon the tertiary formation Cretaceous formation Carboniferous formation Devonian and Silurian	139

Bivalves 147156	147

Univalves 157159	157

Appendix 164165	164

steel plates of palæontology Seeexplanation of plates to Professor Halls report	165

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Report on the United States and Mexican Boundary Survey, Volume 1, Part 2
United States. Department of the Interior
Full view - 1857

Common terms and phrases

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

Bibliographic information

Title	Report on the United States and Mexican Boundary Survey: Made Under the Direction of the Secretary of the Interior, Volume 1, Part 2 34th Cong., 1st sess. House. Ex doc. 135 Issue 135 of Ex. doc. Report on the United States and Mexican Boundary Survey: Made Under the Direction of the Secretary of the Interior, William Hemsley Emory Issue 108 of [United States] Congress (34th, 1st session : [1856]). Senate. Ex. doc
Authors	United States. Department of the Interior, William Hemsley Emory, Timothy Abbott Conrad
Publisher	C. Wendell, printer, 1857
Original from	UC Southern Regional Library Facility
Digitized	31 Aug 2016

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