dgl
Mount Gordon Lyon and in northernmost
Deposits related to Dishno Pond moraines
Wolverine Valley.
(late Pleistocene)--Thickness probably
gkf
about 10 m. Occur 1) in valley of South Fork
Deposits related to Glen Alps moraines
(Pleistocene)--More oxidized than young-
Eagle River (laid down in an arm of glacial
er deposits. Single occurrence in northern-
Lake Eagle) and 2) along south side of Ship
most Wolverine Valley.
Creek Valley near Chugach Mountain Front
(laid down in a low level of glacial Lake
Glacial-lake delta deposits (late Pleistocene). These
Ship).
are chiefly gravel and sand, generally well bed-
fgl
Deposits related to Fort Richardson
ded and sorted; they may include thin beds of, or
moraines (late Pleistocene)--Thickness 10
be underlain by, finer-grained glaciolacustrine
m or more. Best developed and probably
deposits. Thickness is probably 10 m or less. Con-
thickest in valley of Ship Creek where laid
tacts are generally well defined, but gradational
down in intermediate levels of glacial Lake
to glacioalluvial deposits up-valley. Topography
Ship; distinguished from Rabbit Creek
is generally smooth, with slopes being gentle, ex-
deposits only on altitudinal basis. Occur
cept for moderate to steep slopes at small scarps
also in valleys of Meadow and North Fork
on the down-valley sides.
Campbell Creeks near Chugach Mountain
Front.
egd
Deposits related to the Elmendorf mo-
rgl
Deposits related to Rabbit Creek moraines
raine--Occur in Eagle River Valley in
(late Pleistocene)--Thickness 10 m or more
prominent landform at mouth of South
in Ship Creek Valley where laid down in
Fork and farther downstream on both
high levels of glacial Lake Ship; distin-
sides of Eagle River.
guished from Fort Richardson deposits
dgd
Deposits related to Dishno Pond
only on altitudinal basis. Probably less than
moraines--Occur in valley of South Fork
10 m thick in valley of Meadow Creek.
Eagle River and near mouth of Snowhawk
sgl
Deposits related to Ski Bowl moraines
Valley.
(Pleistocene)--May be more oxidized than
fgd
Deposits related to Fort Richardson mo-
younger deposits. Thickness probably a
raines--Occur as part of major terrace in
few to several meters. Occur only in high-
Ship Creek Valley and where tributaries
level tundra flat north of Ship Creek near
entered glacial Lake Ship.
area of typical Ski Bowl deposits.
rgd
Deposits related to Rabbit Creek mo-
raines--Occur along the sides of Ship
Lacustrine and related deltaic deposits. The con-
Creek Valley where tributaries entered
tacts of these are generally well defined. The sur-
glacial Lake Ship.
face is smooth to slightly irregular; general slope is
less than 1%.
Glaciolacustrine deposits. These are interbedded
clay, silt, and sand; they may include some gravel
lyd
Young deltaic deposits in Eagle River Valley
and diamicton in varying proportions; they are
(Holocene and late Pleistocene)--Chiefly
well to somewhat poorly sorted. Contacts are rel-
gravel and sand; may include some beds of
atively well defined. Topography is generally
silt. Thickness may be as much as 10 m.
smooth, and slopes gentle, except for being very
Occur only in Eagle River Valley near
steep at valleyward margins. These deposits are
mouth of South Fork.
moderately stable except near the contact with
ly
Young lacustrine deposits in Eagle River
valley-wall colluvium, where they are susceptible
Valley (Holocene and late Pleistocene)--
to stream erosion, earthflowage, or other land-
Chiefly interbedded silt and clay, blue-
slide processes.
gray; include some beds of fine sand and
fine tephra. Thickness probably 10 m or
egl
Deposits related to the Elmendorf Moraine
(late Pleistocene)--Mainly deposits of gla-
less, base of unit not exposed. Occur only at
cial Lake Eagle. Thickness 5 to 10 m; may
low levels of inner Eagle River Valley, laid
be much thicker beneath alluvial and peat
down in a late stage of glacial Lake Eagle or
deposits that form the floor of the inner
in a subsequent lake blocked by moraine or
Eagle River Valley, but mapped only mar-
landslide deposits; may underlie alluvium
ginal thereto.
on valley floor.
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