Trench infilled with water - Washington State Department ...

Trench infilled
with water

Exhibit 6-51. Aberdeen Log Yard Alternative Site
Trench Infilled with Water, View to the North

Pontoon Construction Project

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Trench collapse

Exhibit 6-52. Aberdeen Log Yard Alternative Site
Overview of Trench Collapse, View to the South

Pontoon Construction Project

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Grays Harbor

Source: Sanborn Fire Insurance Company
(1928) Map. Horizontal datum for all layers is
State Plane Washington South NAD 83;
vertical datum for layers is NAVD88.

À¾101 Archaeological site trench

Hoquiam Piling

¾À109 Refuse

Anderson & Aberdeen Road or walkway Exhibit 6-53. Aberdeen Log Yard
Middleton Alternative Site Archaelogical
¾À105 " " " " " Structural Site ALY-1 Trenches

Aberdeen Multi component Pontoon Construction Project
Log Yard
Archaeological site boundary

¯ 0 50 100 200 feet

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Piling

Exhibit 6-54. Aberdeen Log Yard Alternative Site
Piling in Trench, View to the North

Pontoon Construction Project

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Plank road
structure

Exhibit 6-55. Aberdeen Log Yard Alternative
Site Plank Road Structure, View to the West

Pontoon Construction Project

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Plank road
structure

Exhibit 6-56. Aberdeen Log Yard Alternative
Site Plank Road Structure, View to the North

Pontoon Construction Project

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Hydraulic
fill

Exhibit 6-57. Aberdeen Log Yard Alternative
Site Hydraulic Fill

Pontoon Construction Project

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Fill with mixed
blocky texture

Exhibit 6-58. Aberdeen Log Yard Alternative
Site Fill with Mixed Blocky Texture

Pontoon Construction Project

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SOUTH ALY-138 NORTH
Modern fill
+15 ALY-169 ALY-135 ALY-167 ALY-137
Modern fill Modern fill
Wood debris Modern fill Modern fill
Sea level elevation (above mean sea level) (feet) Sandy clay hiMstoodriecrn Wood/gravel Gray medium
Sand, medium Sand, dark gray, sand with round
+10 coarse grain, gray wood pebbles
Dark gray sand Wood debris, Dark gray silt
Gray silt, dimensional mottled with black Dark organics, Fine sand and
mottled/blockey Gray silt with blocky structure coal residue silt, dimensional
with organics fine sand lumber brick
Gravel Light gray silt, Silt sand with
+5 laminar fine sand bedding, Coarse sand
Gravel, gray Gray fine sandy Gray silt, blocky, gray pebbles, wet
rounded and silt, no layering, massive with Gray silt with
angular in sand pockets of organics Gray to dark fine sand
Dark gray silt carbonized gray silty sand, mottled, blocky
sawdust ???? moss, Silt, laminar
0 with finely shells sawdust
laminated bedding Hisntoartiicve Sandy silt with Fine sand laminar
Gray sandy silt organics, blocky art??? shells,
5 sand bedding Gray silt laminar Sandy silt, laminar, twigs, limbs
fine organics with fine beds of shells
10 in pockets organics and Sandy silt, larger Sand, 1cm layer
Silt, laminated sand beds, shells shells
gray with sand Sand, laminar with
Sandy silt, clear beds between
Organics and layering, organic fine organics
blockiness pockets moss, fir needles
increase Sand as above
but with shells

Thick organic
layers with bark,
leaves, moss,
needles, rootlets,
between layers
of silt and fine to
medium sand,
sparse shell

Exhibit 6-59. Aberdeen Log Yard Alternative Site
South-to-North Cross-Section

Pontoon Construction Project

0 5 feet

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SOUTH ALY-163 ALY-162 ALY-142 NORTH
Modern fill Modern fill Modern fill ALY-160
ALY-164 Wood/sawdust Modern fill
+15 Sawdust with Sawdust, cut logs,
Dark greenish- milled wood dimensional Wood chips
Modern fill gray clayey silt, fragments lumber and sawdust
laminar with black
Sea level elevation (above mean sea level) (feet) +10 Sand and silt, Mhoidsteorrnic mottling Gray coarse sand, Gray silt, mottled, Gray clayey silt,
blue gray Hisntoartiicve wood debris, fractured/ variable organic
becomes gravels disturbed content, sporadic
laminated wood deposits
with organics Gray clayey silt Gray fine sand,
Dark gray fine with silt log
Gray silty sand, sand, high organic Dark gray fine
content rhizomes sand with silt,
Fine sandy silt massive
+5 massive with Dark gray Fine sandy silt, sparse rootlets
wood debris clayey fir and lumber Gray fine sand
silt Fine sand/silt with silt, fine
laminar, rootlets, organic layering
Gray silt, mottled Dark gray clayey shell fragments few shells
intermixed silt with poor Fine sand/silt,
organics structure, blocky increased organics silt content
increases
0 becomes Dark gray sandy Gray fine sand, Fine sand/silt
laminated silt and brown- silt interbeds layers 1.5” sand
gray silt with sand, organics, increase, shell
shells in situ fine sand shell fragments decrease
Gray silt with interbeds Gray silt with fine in size
laminations rhizomes sand, few shells,
of twigs and and in situ shell clay interbeds
moss, fine
5 sand interbeds

Gray silt with fine sand increases
sand, pockets of
sand with shell
fragments

10

Exhibit 6-60. Aberdeen Log Yard Alternative Site
South-to-North Cross-Section

Pontoon Construction Project

0 5 feet

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SOUTH ALY-159 ALY-158 ALY-157 ALY-156 NORTH
+15 Modern fill Modern fill Modern fill Modern fill ALY-155

Modern fill

Sea level elevation (above mean sea level) (feet) +10 Modern Sawdust, Sawdust with log Sawdust, few Mulchy organics
Sawdust, cut logs, historic wood chips and lumber angular gravels with cut logs
lumber, wood Dark gray silt, fragments Gray silt with Sawdust/lumber
chips high organic Gray silt with clay inclusions of
content, black black mottling black highly Gray silt with
Gray silt, mottled inclusion, woody milled wood organic silt black mottling,
with black silt debris debris, blocky Dark gray silt with blocky wood
+5 clay wood debris debris

sticks, chips,
log and roots

0 rhizomes with naHtiisvteoric log Gray clayey silt Dark gray silt with
some layering with fine sand, roots/rhizomes
Gray silt with clay rootlets, rhizomes,
3/4” sawdust wood

rootlets, less clear Blocky silt, high Rootlets and
1/2”- thick organic content,
layering layers of Massive dark gray bark size of wood Gray clayey with Dark gray silt with
Dry silt,driftwood organics fine sandy silt, increase silt massive dense reeds,
fine rootlets, Becomes Gray fine sand rootlets, fine wood fragments,
5 Dry silt, with sparse shell layered with sand sand interbeds organic beds some layering
some layering and organics Fewer reeds,
drier, sandier
Dry fine sand,
10 Coarse sand Gray silt, some Silt with fine Massive with Sand increases Moisture driftwood
layering fine sand sand layered pockets of Gray sandy silt increase
interbedded with shell organics shell fragments shell, Increase in
Shell layers and clayey silt, fragments, Finer silt, dry, driftwood sand
sand interbeds layers of finesand, sand, bark friable, shell Gray/gray brown both Shell/barnacle
Dry silt with sand shell fragments fragments increase layers

dense shell sandy silt interbeds have
fragments higher sand content

Exhibit 6-61. Aberdeen Log Yard Alternative Site
South-to-North Cross-Section

Pontoon Construction Project

0 5 feet

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SOUTH NORTH
+15
+10 ALY-149 Modern ALY-150 ALY-151
+5 Modern fill historic Modern fill Modern fill
0
Sea level elevation (above mean sea level) (feet) 5 Sawdust, wood/ Sawdust and Wood debris,
lumber fragments wood debris cut logs, limbs,
(Polygonal cracks) twigs

Gray fine sand Gray silty sand Fine gray sand Pockets of sawdust,
and silt, mottled with dark silt with Very dark gray small, blocky ???, mottled
Wood debris and flotsam and sand with twigs,
limbs appear wood debris limbs, brick Light gray laminated silt
fragments Roots and organics
roots Gray, fine sand with silt, sawdust and
Gray sandy silt wood debris, rootlets, brick fragments
sparse milled Gray sand, Rhizomes/rootlets, decrease with depth
wood, roots mottled Thin layers of organics
Dark gray silt some rootlets
Gray fine sand boulders logs, Madrone fragments
and silt, mottled milled wood

Wood debris Bark/organics
appear
Rhizomes/rootlets
wood increase
dimensional Gray silt laminar Fine gray sand
and unmodified with fine madrone
branches Historic sand fragments, Fine gray sand
Fine organics native rootlets
appear Silt with fine Wood fragments
organic layers, decrease and
rootlets disappear

Fine sand, gray Sandy silt laminar,
laminar, very fine sparse shell wood
organics, shell fragments
fragments

10 Exhibit 6-62. Aberdeen Log Yard Alternative Site
South-to-North Cross-Section
0 5 feet
Pontoon Construction Project
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WEST ALY-218 ALY-195 ALY-181 ALY-159 EAST
+15 Modern fill Modern fill Modern fill Modern fill ALY-144
Wood debris
Modern Sawdust Modern fill
historic
Woody debris, Mottled gray and Sawdust with cut
Sea level elevation (above mean sea level) (feet) cut logs, and mill black silt, log and milled Sawdust with cut Sawdust, wood
waste massive wood logs and milled debris, and
+10 Gray, sandy silt, wood milled wood
mottled and Very dark gray Gray silt with Fine sand, gray
blocky silt with organic black mottling whorled with
stains mottled silt
Very dark twigs
Dense organics Gray silt, Blocky silt with whorled silt logs Medium sand, gray,
+5 Gray silt, massive, and branches and Very dark and wood fragments
shell fragments organics gray silt with and root fragments Dark gray silt
massive, and Silt with sand, Rootlets and sand with organics
some rootlets sparse rhizomes rhizomes, some partings Rhizomes and Medium-coarse
layering rootlets sand, gray organics,
Rhizomes carex sp. Historic Silt with sand, Dry, fine silt and Rootlets, twigs, and limbs
Silt with sand native laminated shells, driftwood rhizomes,
and fine organics Dry fine silt some twigs
sand and other
0 increases organics, and
log fragments
Gray silt laminar,
sparse shell Light gray silt Sand
with fine layering, increases
Sandy silt, faint sparse rootlets,
laminations, shell Rhizome and branches Rootlets
fragments, and increases
5 decreased Silt with shell Sand Gray sandy silt
organics fragments in thin increases and sawdust
laminations Silt, fine laminar
Light gray silt, structure, rootlets
discontinuous Sand layers in silt and layers of
partings, no interbedded fine
Laminations of rootlets, and Shell sand
sandy silt and swirled fragments
organics such as appearance between
alder leaf and layers
10 Sandy silt with
shell
sparse shell

Exhibit 6-63. Aberdeen Log Yard Alternative Site
West-to-East Cross-Section

Pontoon Construction Project

0 5 feet

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WEST ALY-95 ALY-178 EAST
Modern fill
ALY-127 Clayey silt, gray
with organics, log
rounds, milled Modern fill
wood, and sticks
Modern fill hMistoodreicrn ALY-108 Gray, clayey silt Very dark gray- ALY-66
+15 Modern fill with organics and brown silt with Brown, silty sand
Sea level elevation (above mean sea level) (feet) historical debris organics with gravel
Sawdust, Sawdust and Dark gray sand Coarse,
red-brown bark, wood debris Sawdust, bark, blue-gray sand
and milled wood milled wood, cut Sawdust bark,
fragments with cut logs, and silt and milled wood
logs pockets Silt, dark gray,
+10 Massive, Gray silt with clay, with milled wood
mottled Gray, wet with organic scraps
Gray sand, gray silt medium-coarse lenses
coarse, with sand with dark Massive gray silt, Wood debris
some wood chips organic stains plastic, some Parallel, and some
and other and milled wood rootlets, rhizomes, stacked dimensional
organics sand pockets, dimensional lumber
Gray, sandy silt, and shell lumber
high-mica fragments
+5 content, fine No native Loosely Gray, clayey silt
Dark gray, sandy sand interbeds; encountered stacked with sawdust and
silt with milled laminated dimensional milled debris,
wood fragments lumber dredge spoil

0 Silt with clay,
nondimensional
? debris, twigs, and
sawdust

Dark gray silt, Historic Dredge spoils
5 massive, with native

roots, bark, and Dense wood No native clearly Very dark gray, silty
barnacle-covered debris, leaves, identified clay, sawdust, twigs,
stick branches in silt, slightly laminated
and some appearance, and no
rhizomes native encountered
Fine sandy silt,
interbedded fine Exhibit 6-64. Aberdeen Log Yard Alternative Site
sand, and sparse West-to-East Cross-Section
rootlets
Pontoon Construction Project

0 5 feet

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WEST ALY-39 ALY-5 EAST
Gray silt
ALY-51 Modern fill ALY-26 ALY-16 Some with sand
Modern fill wood
+15 debris
Dark gray sand,
coarse with small Modern Modern fill Modern fill
rounded cobbles, historic ALY-26
some milled
Sea level elevation (above mean sea level) (feet) wood Wood Gray sand
planking
+10 in silt Wood debris,
mulch, logs
Dark gray silt Sawdust Gray sand, Wood debris and Gray silt
with some bands/ Gray silt with fine loose/wet sawdust Gradual
laminations with sand bedding Gray clayey, silt Silt with Dark gray sand, Slumping change to
sparse rootlets, with pockets of sand, medium grain,
lenses of organic material milled clean few milled Clay, compact
medium sand wood fragments No native clearly
identified, possible
sawdust, fine Sandy silt with native below 10 feet
organics milled rounded cobbles
+5 wood fragments

Drier, cleaner Gray silt with
with depth grass/roots in
beds, sparse
wood fragments

0 Increasingly fine

Mya shell Layering Clayey silt
fragments appears No native
rhizomes/ Sawdust encountered
rootlets between
layers
Sand, very dark, No native
gray with encountered

5

interbeds of
coarser sand
and shell
Disturbed higher sand
No native content, sawdust shavings,
encountered barnacle fragments
No native encountered

Exhibit 6-65. Aberdeen Log Yard Alternative Site
West-to-East Cross-Section

Pontoon Construction Project

0 5 feet

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0 5 10 15 20 25
0 Brown silty loam with gravel
Greenish-gray, subangular gravel in
5 yellowish-brown silty soil

10 Greenish-gray, subangular gravel

15 Greenish-gray, subangular gravel with
wood debris and organics

Large lumber and cut log fragments in
dark gray silts with very high water
content

Gray silty clay mottled with black silty
clay fill

20

25 Gray silty clay mottled with large log
fragments and cut fill
Scale in feet
Exhibit 6-66. Aberdeen Log Yard Alternative Site
Wood fragments Trench ALY-30 East-West Profile
Subangular gravel
Gray silty clay Pontoon Construction Project

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0 5 10 15 20

0
Brown silt loam with medium, subangular gravels

and root mass

Reddish-orange sawdust with wood scraps

5
Gray to light grayish-brown silt, mottled with
black silt
Irregular contact

Gray coarse-grained sand, highly unstable

10
Dark gray silt with sawdust, wood fragments, and milled
wood fragments

Milled wood debris and sawdust lenses
15
17

Scale in feet Exhibit 6-67. Aberdeen Log Yard Alternative Site
Trench ALY-76 East-West Profile
Wood fragments
Brown silt loam Pontoon Construction Project
Coarse grained sand

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0 5 10 15 20 25
0

Medium subangular gravel in brown silt
with roots

Modern and historic boundary
Wood and milling debris with cut logs
5
Sandy silt, gray, mottled with dark gray silt,
dense organic and wood debris pockets at 8
feet, and some layering but mostly blocky
structures

Dense organics in gray silt and rootlets
10

Silt, gray and massive with rootlets

Silt, massive with macrolaminations, dark organic mottling,
rhizomes, and rootlets (larex sp.)
15 Silt, generally massive, with sand, no grasses, and few
organics
Silt, low sand content, gray, laminar, sparse shell, and
fine organics

Historic and native boundary

20 Silt, generally blocky but with faint laminations and
decreased organic content

25 Sandy silt, laminations of fine sand and fine organics,
Scale in feet including alder leaf in fine sand bed and sparse shells

Wood fragments Exhibit 6-68. Aberdeen Log Yard Alternative Site
Medium subangular gravel Trench ALY-218 East-West Profile
Sandy silt
Pontoon Construction Project
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SECTION A SECTION B SECTION C SECTION D
10 60 70
0 20 30 40 50
1
0 Surface 2 5
A1 3
4
A A2
B
C
D
10

E Not excavated
Caved-in portion prevented even-floor
20
1 Split log and saw-cut ends
F 2 Tree log section, saw-cut ends

30 and 3-feet, 3-inches in diameter
3 Sandy clay lens
Scale in feet 4 Concentration of cut branches

A Gravel, angular and subangular and log sections
A1 Gravel infused with silt organics 5 Concentration of milled wood
A2 Gravel, blue-gray and angular 6 Discarded shingles, wood,
B Organics: unmilled wood debris,
totalling approximately 15
(7.5YR 5/2) dark reddish-brown
C Sandy silt with angular pebbles
D Silty fine sand, mottled (2.5Y 3/1)

to silt, very blocky (10YR 3/1)
E Silt, mottled (2.5Y 3/1)
F Silty fine sand, interbedded

(2.5/10Y, GLCY 1)

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SECTION E SECTION F SECTION G SECTION H
90 110
Sections G and H excavated as a single unit, 30-foot long
6 E
80 100 120 130 140 150
excavation
Surface
A1
A2 A
B

D

Unclear Concentrations
in wall of marsh
grasses and
rootlets

D

F

Exhibit 6-69. Aberdeen Log Yard Alternative Site
LT-1, East Wall Profile

Pontoon Construction Project

Fill

Excavated to
2.5 feet below surface

Ground surface

3.0 Concrete 4 feet

7 feet 5.5

Unexcavated Collapsed 2 feet 8 feet
brick and Burnt sediment
mortar wall 17 feet

4.5

2.5

Ground surface Concrete

Legend 2.5 feet
Concrete
Burned sediment Unexcavated
Fire brick 5.5

2.5 Depth of excavation Excavated to
23 feet below surface
(feet below surface)
Unexcavated
Location of opening

2 feet Feature dimensions

Source: Jones & Stokes Exhibit 6-70. Aberdeen Log Yard
Alternative Site Sketch Map of Refuse
¯0 2 Burner Remains Found in Trench ALY-84

Pontoon Construction Project

10 feet

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