OF THE UPPER MISSOURI. 
—_ 
a) 
= 
MINERALS AND GEOLOGICAL SPECIMENS, continued. 
379. Tufaceous, concretionary limestone, . . White river. 
380. Cream-colored marl, containing Oreodon,. do. 
Bed E. 
381. Soft white grit, ° . . ‘ do. 
382. Conglomerate, above No. 381, as do. 
383. do. with pan pebbles, . do. 
384. Soft white sandstone, with Oreodon, . do. 
385. Calcareous conglomerate, - «  « Fort Laramie. 
386. Conglomerate, . - _ « Bijoux hills. 
387. Caleareous concretions in seal under No. 
ae * ° «Sie do. 
388. Sulphate baryta,foliated crystals in No. 387, do. 
389. Green siSioas icndedlibad in limestone 
containing freshwater shells, Medicine hills. 
390. do. do. do. do. 
. Bad Land creek. 
. Grindstone hill. 
391. Coarse, whitish, sandstone, 
392. Conglomerate, . ° 
393. Quartzose conglomerate, . do. 
394. White infusorial earth, base of bed t ancl Running water. 
395. do. do. do. Loup fork. 
397. Indurated marl, bg . Warren’s fork. 
398. Silicious tufa, . .° - : . Niobrara river. 
399. White marl, . Loup fork. 
400. Whitish cherty Seutonei ok mt tua do. 
401. White foliated limestone,. . . _ « Niobrara river. 
403. White tufaceous marl, containing fresh- 
water shells, . . Loup fork. 
404, Silicified wood, . . Running water. 
. Oo. . . do. 
406. Silicious sinter, ‘ . : ‘ . Sage creek. 
407. Carbonate oflime, . . . ~~ Bear peak. 
408. Ferruginous conglomerate, .  » Yellowstone river. 
409. Micaceous granite, . . + + =» do. 
410. Hornblendic rock, . +. + «+ + do. 
411. Limestone, with corals, . . + + do. 
412, do. with Spirifer, . . . do. 
413. do. with Orthoceratite, . - do. 
414, do. with Syringopora, . do. 
—o Umeely, se ee do. 
416. Silicified wood, ‘ ‘ é ° do. 
417, Limestone, with red anotts See « do. 
VOL. Re 
418. Concretions from yellow marl, . - Big Sioux. 
419. Silicious sinter from springs, - Black hills. 
420. Sand from sandhills, . ° do. 
421. Very fine gray sand, from it ‘iek: . Powder river. 
- Mouth Big Horn, 
423. Efflorescence on soil, . - Cannon-ball river, 
424. Compact basalt, protruded, - Badlandsof Judith 
425. Trachyte,. . ' do. 
426. Bed pipe-stone, Catlinite, obtained - Maj. 
H. Day, U.S. A., from near source of 
Big Sioux, viz. Nicollet, p. 16, 
422. Prismatic iron ore, . . . . 
Upper SILvrian. 
427. Yellowish gray silicious limestone, with 
Favosites, collected by Mr. Drexler, . 
428. Yellowish limestone, with undetermined 
corals, . ww do. 
429, Chalcedony pe Necibend, > mie a do. 
430. Cherty limestone, with Syringopora, ° do. 
431, do. with Halysites escharoides, do. 
432. do. with Streptalasma? . do. 
NearSouth Pass 
Rocky Mts. 
CARBONIFEROUS AND PERMIAN. 
Near oe of 
433, Impure coal, slaty, - - + + a 
434, Compact cherty limestone, + - aL aeuwceth. 
435. Blue cherty limestone, . . do. 
haly limestone, . do. 
436. Dark, argillaceous, shaly Jim: ‘ oe mega 
g avenwo 
437. Impure coal, laminated, oT eter 
438. Yellowish magnesian limestone, with Mya- 
- lina, ° .  « Deep creek, K. T. 
439, Dark sedurated ii Sieh gee co 
440. Nodular chs... 2 ot ee Fort Riley. 
441, Fine yellow clay, - ° Cottonwood creek 
442, Yellowish gray magnesian theallll with . 
: 0. 
spines of Archeocidaris, : 
° 0. 
443. Blue cherty limestone with Monotis,. ee Wika Lew: 
444, “Cone in on. behing 08 ce es ee ail 
445, Fibro Bryan’s fork of 
Ostrea congesta attached, cance} Little Blue 
formation No.3,- + + river, K. T. 
