PBINDLE AND 
HESS. 
RAMPART PLACER REGION. 115 
part is 18 to 20 miles. Some sluicing has been done and a small 
amount of pay has been taken out. The bed rock is mostly black 
ind gray slaty shales, with many quartz seams. Small dikes of por- 
phyry are abundant and some of them show considerable mineraliza- 
tion. The gravels include shale, quartzite, vein quartz, coarse con- 
glomerate, and a large proportion of igneous material. There are 
gravel-covered benches about 100 feet above the level of Quail Creek 
md these are being prospected at the present time. 
SOUTHERN AREA. 
The creeks of the southern slope that are of present economic 
niportance are Pioneer, Eureka, Glenn, Rhode Island, Gold Run, 
Dmega, and Thanksgiving. The Hutlina a attracted considerable atten- 
tion in 1902 but no work was being done there during the summer of 
L901. This area was visited in 1902 by A. J. Collier of the IT. S. 
geological Survey and described by him in the economic bulletin for 
^903, to which reference has already been made.^ The conditions in 
.904 were somewhat different and only the most important present 
levelopments are included in the following description: 
The area is about 30 miles south of Rampart and is reached by the 
>ack trail from Rampart, which follows Minook Creek and crosses 
he divide at an altitude of about 2,000 feet. The winter and summer 
reight rates are at present 6 and 15 cents a pound, respectively. 
The bed rock is mostly a shaly, somewhat schistose and generally 
raphitic grit, which contains numerous quartz seams. Quartzites, 
lack slates, cherts, limestones, and granitic intrusives are found in 
le ridges at the heads of some of the creeks. 
Pioneer Creek. — The valley of Pioneer Creek is the most easterly 
)cality which is being worked. The creek is formed b} T the union of 
wo forks in the high divide, flows southwestward to Baker Flats and 
rosses them to Baker Creek; its length within the hills is about 6 
dies. A steep, level ridge bounds the valley to the southeast and 
ises almost directly from the creek. The gentle slope of the north- 
rest side is mantled to a distance of half a mile or more back from the 
'eek, and to a height of 250 feet or more above the creek, with bench 
ravels in which within the past two years good pay has been discov- 
ed. A few small tributaries drain the slope and one of them has 
jroved productive. Practically no work has been done on the main 
eek. 
What Cheer bar is located in the lower portion of the valley, 
)out 2,000 feet back from the creek, at an altitude of about 250 
et above it. The ground here lias a gradual slope to the creek, 
he bed rock is schistose grit. This is much jointed and broken 
'This stream is known throughout the region as the Hootlinana, but the name Hutlina has been 
opted by the Board on Geographic Names. 
Bull. U. S. Geol. Survey No. 213, pp. 49-56. 
