INDEX. vil 
CHAPTER IV. 
Route near the thirtyfifth parallel of north latitude. 
Page. 
Considerations determining the general position of the route ..---. ---.------ ------ 2222 e222 ween e wee eee eee 74 
Description of the route, distances and elevations, tunnel in Cajon Pass, &¢ --.------------------0 +--+ +--+ ------ 74,75 
(BATE) cope eon On CEC O CE SE SD OSS E SD SEDO SOC E OOS Br CSCO BOROO0 SSC 50e HEC OCD POS ROE EOOUINS=5 OS D200 CSE DOO DCS paar 75 
giles ek ee eee eee Lt See ee Rete at Sue chee eee se MNES Ne, bs SSS Sas Mee uae 75, 76 
Building material... 2. - 0% 6.205 2205 cone meen e eee s wee nn = ne enn ann = awn nn nnn ce ene mann nnn nee eee nnn 76 
LUG -ceceas necdecoupeancoton.pouens cscosechos bdce de 5e50 Sdccosenbcos udetacosdccantasbcnpede nocopedonecebces 77 
VWI? o esc enccbocose. conse CHUL ene dodenCOSe 5 Sncody ess acrioSsscoce cecebac 0 cens Hasse DSceacnsocSo soca casos 77 
Elevations, sum of ascents and descents, lengths, &¢...----.----. +++ +-----+ e222 + 22-2 eee ee beens ween eee eee 17,78 
Estimated cost, with remarks. .--...-.- one ee eee cen nee eee cee cent nee eee eens eens cece ee eee eee 78 
CHAPTER V. 
Route near the thirty-fifth parallel of north latitude. 
1h 1nnrn May Saye UNE LT) (CRETE) eos ested csOs0d SASSO OSHS DED OSONEIDSSS Soon Sooo reso Cncoss soso nncces 79-81 
Examination of route in detail from Fulton to the Llano Estacado, (comprising topographical description, 
Grades; Dulldmprmavenials;<tWely WaAcels OCs) letra alele sete ala lett ttre alet stearate a ei fe tell 79 
Westward extension of fertile soiliin this latitud@=-5. «s< ++ o)-one eae ots een cates cer eeeres eeee cies eee 79 
Construction across the Llano Estacado, water, ties, lumber, fuel, &c.-----..-. ..-.------------ eee eee eee 79, 80 
Construction from the Pecos river to the Rio Grande, and Guadalupe Pass, water, ties, lumber, fuel.......-- 80 
Bnildinoystone tomy eduriver to kioy Gtande, tise ='efasale(leete seis) ecln «lm eniela amine = aie) = tees sete ee ae eee et 80, 81 
OEY pores acto toto Siem Cond Heao cnoO OSES can cheb eatin cots wens cosa cea boa ease cabo coon SSSA coeds rane aoas 8L 
General characteristics of this portion of the route, and elevations .----...-.-.----.----.---------------- 81 
Remarks upon the estimated cost of construction...-. ~~... .. 2. os eee. cece we coe eee one n ns anon os === 81 
irom) the Rio Grande tothe mouth of the Gila. soo - oo. ce came neces weewes saewe nen ee womens sos secs 81-86 
General description of the country between Dona Ana, on the Rio Grande, and the Pimas villages, on the Gila— 
PROMO! Ue Oe, CleranOn, Hani Gsf CaChoseneseccs Sono Oee OOS BECHOS SEpnSS poSSon CHSeSo eer eacansEces 81, 82 
UWRO Gi Rigg; NALIRT GATE cos Bho pono SSSI RSD EEO PSCd SEEC CODE DESC SOOO RBH ESO OODEOS Ere Seossetjoase sees 82 
Routesalongy wero) Grand ensestemeectesee sales acsmisn aloes s\mecats reiseeten sail siaiaietesie eels sei ine ieee ayeeiate 82 
LEATI EGG GE) o-oo Geibenn poco oenenSneennooScs 6606 orise RSOCUT BOS SCD OOo SES HOS HESIBEHe Sco asad ooSeae 82, 83 
\NGIOP 2 osee besSco SS COSO GOB SECBHOS SOS ADSOBHOOS S505 ID ISOSSS boTd HOCOUS aseceo Hd cos Sses HeSsHSsbase 83, 84, 85 
LOGI cecocoscosecosce SD SOCO SSS SSS ASC GSS HOSSSO SogtioS SEeSHO SoSoRSoSoO HES TESS oOoHEDS pboSes coeeeSeS neo 85 
Peculiar features of the country favoring the cheap construction of a railroad...--....---..---.----------- 85 
Examination of the route in detail from the Pimas villages, along the Gila to the Colorado river. 2... .--.---- 86 
EEE ——Hromathe mouth oruhe Gila, toiSanMtanciseOs 2\22c0 ence cee =\ecoalecme en eeewcectec cus cicueseeeececeaeeeee 86-94 
Examination of the route in detail from the mouth of the Gila to the eastern entrance of the San Gorgonio 
Pass, passes of the coast range, Colorado desert, construction, water, soil, distances, grades..-- ---.------ 86 
San GorgoniovPass—natural crades:—-sdat- sos sacs on seek we ene das Seiceve se oesew wats sseadle secciew Se eniccee 87 
Connection with San Diego; with San Pedro; their harbors. ....-<.-.. 222 -06- ---2 onee ee cone cee nne ease 87 
Continuation of detailed examination of the route to San Francisco..-.-.---------.---- ------ --- 2 = eee ee 87 
Passes through the coast range, by which the Great Basin may be attained from the plains of Los Angeles, and 
Rel Genomontneen GWrLasBwnsecat ies saeic ies ace aeaie ene mim aes enaigeesac Saas comenmEecisine mew sjeaer 87,88 
Continuation of the route from San Gorgonio Pass to the Great Basin........---- ------ eee eee ween ee eens 88 
Passes from the Great Basin to the head of the Tulares Valley----.----- ------ e--ene --ne ween ne cen ene enne 88, 89 
Superiority of the Tah-ee-chay-pah Pass -.-..----. SOBRE C CONS ECE OC ERO DEO EE CoC EE SSS BDECOC EARS RASS anced 89 
Continuation of the route in the Great Basin, and to the Tulares Valley..--...---.---------- ---------+ eos 89 
Continuation of the route along the Tulares and San Joaquin Valleys, to the Straits of Martinez. ..---..----- 89, 90 
More direct route to San Francisco by the San José Valley ---.-----.---.---.----- Postecneceser ase sade 90 
Soil, building materials, fuel, water, sum of ascents and descents, lengths, &e 90 
Characteristic features of this portion of the route, the mountain passes and their character; use of steep 
CREGIEE 2 dace: CaSO Sag OOOC TENDS DUO CRE ED RE SO EO NES GOCE CECB REARS ECE rE Ee Cra Reman eae 90, 9L 
Extract from the report of Allan Campbell, esq., chief engineer of the Valparaiso and Santiago railroad, in 
win ChiatheylEenbyech On, steep! piad esis dISCURBEd perce ee aeas aaa econ see ee eae scrcececdeerece=seces 91-94 
Application of this discussion to the natural grades in the mountain passes of this route near the thirty-second 
HOLA GM emma emicinices ssc cincc Soe soaestalcac'sice soos Qroseoceo occnsoncence cogase copteceadecac nose 94 
Snow and ice on the Tah-ee-chay-pah Pass, and on the route generally...----. .----. 2020+ s-e--- eeeeee eee 94 
General review of the whole route. .....-...----- e222 ----00 ceeeee saigaccvocecsssc cen se casaecoos oes ns ae 94-99 
General considerations which determine the position of the route; its characteristics; elevations of its mountain 
passes, and general elevation; peculiar features of the arid plains favorable to cheap construction of road; 
water, and cost of carrying it.......-.--. aes Peweusyscesis cas beiewaniesbajesestacmaesanreeas ndamoaCooC! 94,95 
