REP01903

• Permit No: M1999098
• IBM Index Class Name: Report
• Doc Name: SLOPE STABILITY REPORT FOR RIVERVIEW RESOURCE
• Media Type: D
• Archive: No

1
The site consists of irrigated farm and pasture land. The Cache La
' Poudre River forms the southern and southeastern boundaries of the
property. Cottonwood trees border the banks of the river. Several wet
or marshy areas are located in the southern portion of the site. The
northern edge of the site is elevated approximately ten (10) to fifteen
' (15) feet above the flood plain of the river. The remainder of the area
is relatively flat and has minor to poor drainage to the south-southeast
toward the Cache La Poudre River. Several farm buildings are located
t along County Road 64 near the center of the site and near the northeast
corner of the property. The west portion of the site is bounded by
t County Road 27, and the east portion of the site is bounded by a farm
lane and the river. Several oil storage tanks and an oil well are located
in the western part of the property. A pipeline runs north-south
through the site, overhead power lines run along County Road 27 and
' through the property.
SOIL AND GROUND WATER CONDITIONS
The soil profile at the site consists of strata of materials arranged
' in different combinations. In order of increasing depths, they are as
follows:

(1) Silty Topsoil: The majority of the area tested is overlain by a
' i six (6) inch layer of silty topsoil. The topsoil has been
penetrated by root growth and organic matter.
l
Th
l
h
l i
ll b
C
is stratum under
n a
ut
(2) Sandy Si
lay:
ies t
e topsoi
ty
Borings 7 and 20 and extends to the silty sand and/or sand i
' ~ and gravel stratum below. The silty clay is plastic, contains
varying amounts of sand and is damp to moist in situ.
1 i
j (3) Sandy Silt-Silty Sand: The sand and/or silt stratum underlies
~ the topsoil and upper clays in Borings 7, 8, 14, 18, and 20 at
depths of one-half (1/2) to four (4) feet below the surface and
extends to the bedrock below.
I

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