CONTENTS. vu 
CHAPTER VIII. 
Coal, Building Stones, Gypsum, Metals, and Ores. 
Coal most abundant on the eastern part of the line.—Coal along the Arkansas and Canadian rivers.—In Petit Jean and 
Sugarloaf mountains, Albuquerque or Sandia Mountains.— At Ojo Pescado.—Cañon de Chaco.—At Bellingham bay.—Van- 
couver's island.—Cowlitz coal.—Bitumen of Los Angeles.—Building stone.—Granite and gneiss.-—Limestone and sand- 
stone.—Their distribution over the route.—Gypsum, its application in the arts.—Used for window-lights.—Gold.— 
Old and new placers.—Resemblance of the deposits to those of California. —‘‘ Dry diggings."—New Mexican methods of 
mining and washing.— Yield of the placers —absence of water.—Use of snow water.—Quality of the gold.—Rights in the 
placers.—Mining laws.—Quartz veins.—Mines.—Gold in the Great Basin and Bernardino Sierra.—Armagosa mine.—San 
Francisquito placer —Copper, lead and silver.—Iron. — Salt. 
CHAPTER IX. 
DESCRIPTIONS AND NOTICES OF THE FOSSILS COLLECTED UPON THE ROUTE, BY PROF. JAMES HALL, 
- 
CHAPTER X. 
DESCRIPTION OF THE COLLECTION. 
Granitic and met phi 1 Volcanic rocks.—Trap from dikes near Galisteo. —Lava from San Francisco mountain. — 
Stratified rocks and gypsum.—Limestone of Delaware mountain.—Magnesian limestone of the Llano Estacado. —Gypsum 
and selenite.— Sandstone from the Cajon Pass. —Miscellaneous specimens. —Ores and minerals.— Copper ore —Gold. — 
Tron ore.—Hematite.—Absence of magnetite.—Coal. —Siggilaria. —Lepidodendron. 
CATALOGUE OF THE COLLECTION. 
No. 2. 
RESUME AND FIELD NOTES. 
BY JULES MARCOU, 
GEOLOGIST AND MINING ENGINEER TO THE EXPEDITION, WITH A TRANSLATION BY WILLIAM P. BLAKE. 
GEOLOGICAL ITINERARY FROM FORT SMITH AND NAPOLEON, [ARKANSAS,] TO 
THE RIO COLORADO OF CALIFORNIA. ORIGINAL AND TRANSLATION 
RESUME OF A GEOLOGICAL RECONNAISSANCE EXTENDING FROM NAPOLEON, 
AT THE JUNCTION OF THE ARKANSAS WITH THE MISSISSIPPI, TO 
THE PUEBLO DE LOS ANGELES, IN CALIFORNIA, 
