flanks of Eagle River Valley. dcu are depos-
defined. Topography is smooth and slopes are
its modified by urbanization.
gentle.
dcm
Deposits overridden by glacier ice--May
ec
be relatively thin or include mainly diamic-
Deposits of the Elmendorf Moraine (late
Pleistocene)--Occur in narrow channels
ton, or both. Merge laterally with moraine
along the Chugach Mountain Front and in
deposits that have been overridden by gla-
broader channels commonly well incised
cier ice (map unit dmo) Occur only east of
below the level of ground moraine on the
Eagle River community.
Anchorage Lowland. Generally older than
dcl
Lower-level deposits--Occur in a few
deposits mapped separately in the follow-
places near Chester Creek and along
ing units, but in northern part of map area
Glenn Highway north of Ship Creek; far-
includes some younger deposits as well.
ther northeast not differentiated from map
ecc
unit dc.
Clunie Creek glacioalluvial deposits--
eccu
Thickness may be a few tens of meters,
fc
Deposits of Fort Richardson moraines (late
more commonly about 10 m; probably
Pleistocene)--Occur in numerous narrow
thinner in narrower channels. Occur main-
channels mainly extending from near Car-
ly in major channels cut well below, and
ol Creek southwestward along Chugach
thus younger than, channel deposits
Mountain Front into Hillside area; found
mapped as ec; best developed near Lake
locally in a valley tributary to South Fork
Clunie and in the valley of Clunie Creek,
Campbell Creek.
Lower-level deposits--Occur
mainly
the typical locality, where deposits occur
fcl
between Chester Creek and South Fork
at three levels. May grade northeast, how-
Campbell Creek at altitudes substantially
ever, into channel deposits mapped as ec.
lower than those of other channel depos-
Formed when the glacier had retreated
its; may grade to Klatt Road deposits.
substantially northeast. eccu are deposits
rc
modified by urbanization.
Deposits of Rabbit Creek moraines (late
Sixmile Lake alluvial deposits--Occur in
Pleistocene)--Occur mainly in relatively
ecs
three levels near Sixmile Lake, the typical
short, narrow channels near the upper
locality. Formed when ancestral Eagle
boundary of the Hillside area south of
River last occupied the Otter-Sixmile
South Fork Campbell Creek; found also
channel; may be equivalent in part to
along the Chugach Mountain Front in
youngest Fossil Creek or oldest Clunie
widely scattered localities from Carol
Creek deposits.
Creek to south of Ship Creek.
ecf
Fossil Creek glacioalluvial deposits--Occur
lc
Deposits of Little Rabbit Creek moraines
ecfu
in a series of well-formed terrace levels
(Pleistocene)--May be somewhat more ox-
within the prominent, single channel of
idized than younger channel deposits.
Fossil Creek (the typical locality) that is cut
Occur in isolated localities along Chugach
as much as 50 m lower than the surface of
Mountain Front near Ship Creek Valley
the Elmendorf Moraine as well as the adja-
and south of Chester Creek.
cent Mountain View alluvial fan. Graded
sc
Deposits of Ski Bowl moraines (Pleisto-
cene)--Probably more oxidized than
to various levels of Gwenn Lake kame and
younger channel deposits. Occur in sever-
Roosevelt Road kame-terrace deposits;
al isolated places on mountain interfluve
formed when ancestral Eagle River was
ridges.
first able to cut through the Elmendorf
Moraine rather than having to flow more
gc
Deposits of Glen Alps moraines (Pleisto-
southwestwardly around it. ecfu are
cene)--Probably more oxidized than
deposits modified by urbanization.
younger channel deposits. Occur at a few
dc
localities high on mountain interfluve
Deposits of Dishno Pond moraines (late
dcu
Pleistocene)--Occur in narrow channels
ridges north of Chester Creek Valley and
extending along the Chugach Mountain
near North Fork Campbell Creek Valley.
Front from the vicinity of Meadow Creek
mc
Deposits of Mount Magnificent moraines
in the northeast and descending south-
(Pleistocene)--More oxidized than young-
westward to near Chester Creek on the
er channel deposits. May include much
Anchorage Lowland; occur locally on the
bedrock rubble. Occur in the typical area
54
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