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Show 37 PROGRESS- MAP. Tbe progress- map herewith shows by colors the different stages of prosecution of the map results. Appropriations being small and the season limited, only a small expedition comparatively can be put in the field. ITINERARY. The following is a brief r& umi of the. result of such observations bearing upon the characteristics and natural resources of the section visited as I was able to make while in charge of main party No. 1 of the California section during the field- season of 1875. The routes pursued were along the regularly- traveled road from Caliente to Los Angeles, through Teh ac hi pi Pass, across the northwestern arm of the great outlier of the Mohave Desert, via Elizabeth Lake, & c, from Los Angeles to Santa Monica and Wilmington on the coast; thence via Cahuenga Pass, through San Fernando Valley and the valley of Sauta Clara, to old Fort Tejon and its neighborhood, and thence by the southern eud of Tulare Valley to Caliente. Besides the routes above mentioned, that from Los Angeles, via Cajon Pass to Camp Mohave, had been traversed in the latter part of the year 1868, from which a somewhat clear idea of the characteristics of that portion of Southern California adjacent to these lines could be formed. The results of the operations of the other parties of the California section of 1875 are set £ orth in tbe various reports submitted by the executive officers. ( See reports of Lieutenants Bergland, Birnie, and Whipple, also that of Dr. Oscar Loew.) l o s Augeles is at present the principal point for commercial exchange in the county of that name, and is favorably located in the center of a part of the somewhat level arable territory south of the passes through the Southern Sierras, west of the coast range, forming a basin of considerable dimensions most favored by nature of any of the so far developed portions of Southern California. Its outgoing connections are by the Southern Pacific Railroad north to the San Fernando Mountains, through which a tunnel ( being a function of said road) is being constructed, that, upon completion, will connect it with the southern terminus of that branch of the same road now traversing Tulare Valley, and through Tehachipi Pass to the arm of the desert, thence via Soledad Pass to the northern entrance of the San Fernando Tunnel, thus making a connection that, once accomplished, will stand as a landmark of the skill and energy of these railway constructions. The southern section of this same road is being built via San Gorgonio Pass toward the desert, in direction of Fort Yuma, with great vigor. Other brunches of the same corporation lead direct to Wilmington, with a branch to Anaheim, being part of the route bordering upon the coavSt already recouuoitered to the southward as far as San Diego. The Los Augeles and Camp Independence Railroad, under the auspices of a corporation formed in pursuance of the laws of the State of California, is built from Santa Monica a point a little south of west of Los Angeles to this city, with the expectation of being pushed eastward through tbe Cajou Pass in the directiou of the mining- districts in vicinity of Death Valley and Camp Independence. It will be seen that the outgoing connections from Los Angeles are plentiful, and that it is likely to become a prominent point upon the AP. J J- 3 |