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Show 58 Ex. Doc. No. 41. srent, was a mountain of peculiar symmetry, r c~e mhl:ng th segment of a spheroi<1. I name<l il "the Dome". Our road 1 'd along it base to the north; another p:1.th leading lo .Janos, a fronti er town in Sonora, p a. se · down the .:Mimbres on the south side. The .:Mimbres was tran~ rs r tl only a mile; for thal di ~ t a n ·e it· YC!lley w a t r u 1 y u c aut i ru I , a~ out on c m i 1 c ·wide of rich f c r l i l c s ~.> il , d ens e 1 y coveted with colton wood, walnut, a ~ h, &c. It it i a rapid, da. hing . trcam, about fifteen fee l wide and three deep, affording snfricicnt wat r to irrigate ils beautiful vall ey . It i. fillecl with trout. At thi place we found numbcrl 'SS Indian lod grs, whieh lta<l the appearance of not haYing be n occupied for . orne tim . \Ve turn ccl westward and a ccn<le ll all the wny to our camp. The mountains appeared to be form ecl chiefly of a recldish amy~daloid and a lJrown altcr'c<l sand stone, with C'haledonic coating. In places, immense piles of conglomerate protrutl ·d; di po d in regular trata, dipping to the south at an an gle of 45°. There was also one pile of volcanic g las brittle, in strata about a half an in ch thick, dipping 45° to tbc south. The charact r of the ·ountry ancl its growth to-day arc very similt~r to those of yesterday; SCY(•r a l new plants and hrubs, among t whicb was the c.e rc.ocarpu · pnrvifolius, a curious ro accou · !nub, "with a spiral, f eathery tnil, proje cting from each calyx when the plant is in s eel." The spiral tailed or hnrbecl ·ecd-Yes cis fa.1l when ripe, and, impelled by the wind, work into the grounll by a gyratory motion . Tne cedar seen to-day was also very peculiar; in leaf resembling the common cedar of the States, but the body like the pine, except that its bark was much rougher. (For the rest of to-Jay's growth, sec catalogue of plants for this elate.) At night, 12 cir cum-meridian altitudes of beta aquarii, anc1 even altitucl s of Polaris, give for the latitud e of the camp 42° 11 ~'. October 18.-A succ ·ssion of hi 11 s and valleys coY ere (1 with cedar, live oak ancl ·ome long l eafed pirc. We ra Se ll a.t the fo ot of a f o r Hl i d a b l e b l u ff of l rap p , run n i n g n or t h w c s t an d south cast, which I named Ben 1\loorc, a.t'tcr my p er. onal fri cncl, th e gall ant Captain Moore, o[ th e 1st dra go on s. In many plac s lhe path was strewed with huge fragments of this hard ro ck, making it diffi('u]t for the mule: to get along. Turning th e n orth 'n d of Jl cn :Moore uluff, WC began tO drop into the vall ey of \Yhat is Sll j)JlOSCd an arm of t h c .M i m b res, \V h e r c t h c r r a r so m c d e s e r t c d <' o p p e r m in e s . T.hey arc sa i<l to be Ycry rich, both in eopper anll gold, and the ~pccnncns obtnined ·ustain this as~ c rtion. \Vc lea rn ed that those who worked them mad' their fortun es ; but the Apaches di (l noL like th eir proximity, and onr day larned out a ntl d('slroyecl the mining town , d r i vi n g off t h c inhabit n n t s . T h c r c are t h c r c mains o [ .-o me twenty or thirty <Hlobc houses, and t f'n or f1flt•cn. hafts si11king in to the earth. The entire surface of the hill into wl1iGh the are sun k'is covered with iron pyrites an<l the red o.· idl' of copper. 1\Iany v 'Ln o[ naliYc coppt•r were found, but th principal ore i the su1phurel. One or two spc ·imcns of ammoniate of ih-er were aLo obtained. l\Ir .. Mc Knight, one of the earliest a th · nturcrs m New 1\Ie.·ico, " . |