358 APPENDIX. 
ings. A full description of the general characters of the rock, as shown at different points, has 
already been presented. It much resembles a trappean rock, for which it would readily be mis- 
taken, in hand specimens, unless the attention was specially directed to its granular structure. 
Specimens from several localities are in the collection, together with masses of the associated 
shales and the metamorphosed portions—the prasoid and jaspery rocks. 
Table showing the elevation above the sea of the principal places mentioned in the report. 
Mount Diable — Diablo Range, (Beckwith)........- 2. i" 
Madelin Pass, Sierra Nevada, latitude 409 44' 12" : Seca NAE AU 
Plateau of the Sierra Nevada, (Beckwith) fr 5, 440 
Second summit of Madelin Pass, (Beckwith) 2 5,596 
Noble’s Pass, Sierra Nevada 6,074 
Carson Pass, Sierra Nevada, latitude 38° 42’ 15", (Goddard) 1,972 
Breccia Pass, near the middle fork of the Stanislaus river, (Goddard) 10, 150 
Walker's Pass, Sierra Nevada, latitude 359 39' 5, 306 
Humpahyamup Pass, latitude 35° 33' 38* 5,351 
Taheechaypah Pass, latitude 35° 07' 28” 4, 008 1 
Tejon Pass, latitude 35° 02’ 47” | 5, 364 E 
Cañada de las Uvas, latitude 340 54° 40۳ سم‎ 4,315 
Cajon de Zenoco — Bernardino Sierra... 4,256 : 
San Francisquito, Bernardino Sierra . 9,446 
Williamson's, (new Pass,) Bernardino Sierra 3,164 | 
Cajon Pass, Bernardino Si 4,676 
San Bernardino or San Gorgofio, Peninsula Sierra . . 2,808 : 
Warner's Pass — Peninsula Sierra, leading from the Colorado Desert to San Diego - 3,180 | 
San Fernando Pass, between San Francisquito Rancho and San Fernando - 1,940 
Livermore's Pass, Diablo Range, south of Mount Diablo 686 
San Bernardino Mountain, Bernardino Sierra, (elevation undetermined probably) -- 8,500 
San Gorgofia Mountain, Peninsula Sierra, (elewation undetermined probably) TR 
San Amedio Mountain, at the head of the Tulare Valley, (about) ... . 7,000 
Fort Miller, on the San Joaquin river, (about) ; -— 402 
Plain of Basaltic lava at Fort Miller na s RE 
Ocoya Creek Depot Camp i -- 138 
Tops of the tertiary hills at Ocoya Creek, (about) sex + "1,900 
Tejon Depot Camp.......... À A RE 1, 447 
C ba a 7 RA A A e RN EO Ie ES T E 398 l 
Dry Lake, in the Great Basin east of the Tejen Pass ded M 
Soda Lake, at the sink of the Mojave river De پو‎ Si T 17 
Camp on the Mojave river. SSA TO ES ES GB A من‎ pi quae 2, 664 
Lake Elizabeth, near the Pass of Francisquito, (about).........--- cec cec RE a 3, 000 
Piste of San Forbando 1. 2: 151. 2450 56 4 4A ی و‎ A XU il LA uL ALL e e em 1,048 
Walley of the Santa Anus, at Maik e e al item co Dati dms 1,118 
Deep Well, at the margin of the Colorado DA cce eee ee rer a e دم‎ eL Lr non اج‎ m 
Valley of the Ancient Lake, Colorado Desert. This depression is estimated below the level of the sea. 
WET oiu Dee... ای‎ C Lobo ca sd dpa 70 
Fort ons; Arten oF War Olle uni Dekan i ea a Ba ee d 100 
San Felipe Valley, Peninsula Sierra PO > a A A eae 2,116 
Warner's Valley, or Bancho, near Agua Caliente... a put 
1 Mact nf th. A SUR 23s. 4 Ih ۳۹ E woe 4 1 s thea عمط ده‎ 
۶ PUSE Ui 
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