390 and California. 
width. From Santa Feiiligpatenant Abert visited the gold mines 
in the vicinity. 
Eighty miles north of Santa Fe, in the Puebla de Taos, area 
few small settlements, situated in a valley eight or nine miles 
long, cultivated as far as practicable by irrigation; the —? of 
water is ‘scanty except during the wet season. Snow is seen on 
the neighboring heights in every month of the year ; vee wheat 
atid corn ripen well in the plains. Southwest of Taos, a ridge 
2000 to 2500 feet high, of hard slaty rock, vy, into angular 
fragments, was passed. On the west bank of the Del Norte, 40 
miles above Santa Fe, the table land reaches to the river, and 
terminates in a bluff 300 to 400 feet in height. The section ex- 
Lia ~ oe of horizontal sandstone capped by dark vesicular 
lav: the east, the country rolls away to the base of the 
sittnies, ve little else than a succession of gravelly 
hills, covered with dwarf cedars. ‘The lava alluded to forms the 
capping of all the table ietande in Upper New Mexico. To the west 
of the river in this part, at a place called Ojo Caliente, there are 
several ee springs, from which Bulphaeies hydrogen es- 
— 
Reine bond fromm Santa Fo, vologae rock was often met with 
over the country. 
On the Rio Puerco, a few miles west a the del Norte, at Po- 
blazon, (lat. 35° 13/,) the sandstone rocks were in some places six 
hundred feet in height. ‘The beds had an anticlinal dip, with 
reference to the axis of the valley.” Besides cale spar crystallized 
and unerystallized, fragments of large ammonites, hippurites and 
Inocerami were found, and “the little knobs around glittered with 
plates of selenite,” an ‘abundant. mineral in that region. ‘The spe- 
cies of Inoceramus is identical with one figured in Fremont’s Re- 
port, plate iv. fig. 2. These cretaceous fossils occur about 6000 
feet above the sea. Farther to the westward, a volcanic country 
ena east of the del be near 34° 50/ N., they met with 
beds of limestone containing patches of hornstone, and afterward 
with a masses of "genag 98 About seventy miles east of the 
face. The Sey were continued sou 
r latitude 33° 4 
rn of the a to Bent’s Fort, and ion. 
ded.with extreme hardship. They le: 
, Where the thermometer had s 
