Area Included
Primary Map/Chart Location
Secondary
Notes
Ref.
Location
File No.
No.
Date
Month
Title
Origin
Map/Chart ID
Sheet
Format
Type
Scale
Size (in.)
1
2
3
4
Location
Record No.
Channel in front of Eureka, Humboldt
WD-COE-
107
1921
Jun
NC
File:5 Div:14 Sheet:19
1 of 1
BL CM
BA
1:2400
28 x 40
DPW
RG-06-10
F139
Bay, CA
USArmy
WD-COE-
Very detailed coverage offshore entrance
Entrance Channels of Humboldt Bay,
USArmy-US
108
1922
Jun
OS
EC
EB
File: 5 Div:2 Sheet:39
1 of 1
CM
BA
1:6000
28 x 40
DPW
RG-06-23-2
F140
shoals and Entrance Channel, not as good
CA
Eng Off.1st
in Entrance Bay.
Dist. SF. CA.
US Army
U.S.G.S. Early
Mapped area goes north to Clam Beach.
Map
109
1922
Eureka, CA, quadrangle
EC
EB
NC
NB 9-N-II-E/2
1 of 1
BW
TO
1:62500
25 x 30
DPW
Survey &
Quads Historic
U.S. Eng., U.S. Army Tactical Maps
Draw 9
USC&GS
Quads File
Controlled Reconnaissance Sheet.
Chart No. 5832 Plate
NA-RG No. 23 #
DOC
110
1923
Jan
Humboldt Bay, CA, U.S. West Coast
HB
No. 3709 Edition 19
1 of 1
BW
NA
1:30000
18 x 22
DPW
RG-06-25
F114
5832 Ed.19 Jan
USC&GS
Jan 1023
1923
WD-COE-
Entrance Channels of Humboldt Bay, USArmy-US
111
1925
Jun
OS
EC
EB
EB File: 5 Div:2 Sheet:48
1 of 1
CM
BA
1:6000
28 x 40
DPW
RG-06-24
F140
CA
Eng Off.1st
Dist. SF. CA.
Dated 20 March 1925, plot of monthly
Graph of Humboldt Bar surf
File: 5 Div:20 Sheet:
112
1925
Mar
US Eng
EC
OS
1 of 1
BL
OT
Vert 1"= 20%
17 x 28
DPW
RG-06-12
F143
extremes in wave conditions for period 1896
conditions (1896-1924)
22
to 1924.
Sea conditions at north jetty Humboldt US Eng. Of.
not
RG-06-13, 2
113
1925
Jun
NJ
EC
File: 5 Div:17 Sheet: 1
2 sheets
BL
OT
28 x 40
DPW
F143
Dated 23 June 1925.
Bay, CA, 1 January 1885
1st Dist. SF
applicable
sheets
31 December 1924
CA
Original at Eureka
DOC
114
1926
Jan
Humboldt Bay, CA, U.S. West Coast
HB
Chart No. 5832
1 of 1
BW
NA
1:30000
25 x 32
DPW
RG-06-26
F114
Library (Admin
Map is copied, pieced, taped.
USC&GS
Bldg)
Original, printed in color with very good
DOC
RG-06-26
115
1926
Jan
Humboldt Bay, CA, U.S. West Coast
HB
Chart No. 5832
1 of 1
OR
NA
1:30000
25 x 32
DPW
F114
definition of sand shoals in Entrance Bay
USC&GS
copy 3
and North and South Bays.
Chart No. 5832 Plate
NA-RG No. 23 #
DOC
116
1926
Jan
Humboldt Bay, CA, U.S. West Coast
HB
1 of 1
BW
NA
1:30000
18 x 22
DPW
RG-06-26
F114
No. 3709 Edition 20
5832 Ed.20 Jan
USC&GS
Ed. 20
1926
Eureka Channel & Samoa Shoal,
WD-COE-
Log of sediment borings in front of Eureka,
117
1926
Oct
NC
File:5 Div:14 Sheet:23
1 of 1
CM
BA
I:6000
28 x 40
DPW
RG-06-11
F139
Humboldt Bay, CA
USArmy
1926, on map.
WD-COE-
118
1926
Jun
Samoa Channel, Humboldt Bay, CA
NC
File:5 Div:14 Sheet:22
1 of 1
CM
BA
I:6000
28 x 40
DPW
RG-06-12
F139
USArmy
WD-COE-
USArmy-US
119
1926
Jun
Arcata Channel, Humboldt Bay, CA
NB
File:5 Div:14 Sheet:21
1 of 1
CM
BA
I:6000
28 x 40
DPW
RG-06-13
F139
Eng-1st
Dist.,SF,CA.
WD-COE-US
Doc File:D49/93 File:
120
1926
Inner Channels of Humboldt Bay, CA
Eng Of, 1st HB
1 of 1
CM
BA
1:30000
28 x 40
DPW
RG-06-14
F139
5 Div:14 Sheet:26
Dist.,SF,CA.
WD-COE-
Entrance Channels of Humboldt Bay, USArmy-US
121
1926
Jun
OS
EC
EB
File: 5 Div:14 Sheet:24
1 of 2
CM
BA
1:6000
28 x 40
DPW
RG-06-24
F140
CA
Eng Off.1st
Dist. SF. CA.
C15
Appendix C Listing of Available Maps and Charts by Date
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