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.
NA-Cartographic
Records of War
Off. Chief of
Shows Entrance Channel in great detail and
Dept, Office of
36
1891
Feb
Humboldt Harbor, CA
OS
EC
W-555
1 of 1
BW
BA
1:19200
18 x 24
DPW
RG-06-10
F140
Eng.
Chief of Engineers bathymetry out to the Bar Buoy.
RG No.77 File W
555
Survey of shorelines of North and
Off. Chief of
NA-RG No.77 File Shows 1881, 1887, 1889 shorelines and
37
1891
May
South Spits and Humboldt Point
OS
EC
EB
W-571
1 of 1
BW
BA
1:3600
18 x 25
DPW
RG-06-11
F140
Eng.
W 571
high water of 1 February 1891.
showing changes in Shoreline
NA RG-77 Civil
Fields Landing Humboldt Bay, CA,
Ch. Eng.
Dated 17 June 1891, pierhead and bulkhead
38
1891
Jun
FL
W 573-2
1 of 1
BL
BA
1:2400
29 x 45
DPW
RG-06-03
F141
Works Map File W
survey of 15-20 September 1890
USArmy
lines for Fields Landing Channel.
573-2
Chart No. 632
NA-RG No. 23 #
Humboldt Bay (Resurvey U.S.
39
1891
USC&GS
HB
1 of 1
BW
NA
1:30000
18 x 22
DPW
RG-06-05
F114
Photolithograph Ed. 5
632 Ed.5 Feb 1891
Engineer, February 1891)
1891-Resurvey
Resurvey
RG-06-12
Shows Buhne Spit (Entrance Bay) and east
40
1892
Aug
Humboldt Harbor, CA
US Eng
EB
EC
none
1 of 2
BL CM
BA
1:3600
28 x 40
DPW
F140
Sheet 1
end of North and South jetty.
Shows Entrance Channel, with comment:
RG-06-12
41
1892
Aug
Humboldt Harbor, CA
US Eng
EC
none
2 of 2
BL CM
BA
1:3600
28 x 40
DPW
F140
showing lines recommended for jetties by
Sheet 2
Board of U.S. Engineer, December 1892.
NA-RG No. 23 #
42
1894
Jan
Humboldt Bay, CA
USC&GS
HB
Chart No. 5832
1 of 1
BW
NA
1:30000
18 x 22
DPW
RG-06-07
F114
5832 Ed. 2 1894
Shows north jetty built out to Bent 420 and
south jetty built out to Bent 230; survey lines
in detail; soundings in feet reduced to low
43
1894
Entrance to Humboldt Bay, CA
USACE
EC
EB
1 of 1
BW
BA
1:3600
48 x 42
DPW
RG-06-13
F113
water (forwarded with 30 June 1895 annual
report).
Entrance to Humboldt Bay (Survey of
44
1894
Dec
USACE
EC
EB
I of 1
BL
BA
1:7200
22 x 28
DPW
F139
December 1894)
NA-RG No. 23 #
45
1896
Jun
Humboldt Bay, CA
USC&GS
HB
Chart No. 5832, Ed 3
1 of 1
BW
NA
1:30000
18 x 22
DPW
RG-06-08
F114
5832 Ed.3 June
1896
Original at Eureka
Chart No. 5832 Edition
46
1897
Sept
Humboldt Bay, CA
USC&GS
HB
1 of 1
BW
NA
1:30000
28 x 32
DPW
RG-06-10
F114
Library (Admin
Chart is full size.
4
Bldg)
Chart No. 5832 Edition
47
1897
Sept
Humboldt Bay, CA
USC&GS
HB
1 of 1
BW
NA
1:30000
18 x 22
DPW
RG-06-09
F114
Chart is reduced size.
4
48
1897
Sep
Humboldt Bay, CA
USC&GS
HB
Chart No. 5832
1 of 1
BW
NA
1:30000
28 x 32
DPW
RG-06-12
F114
Chart is full size.
NA-RG No. 23 #
US Treasury
49
1899
Sept
Humboldt Bay CA.
HB
Chart No. 5832
1 of 1
BW
NA
1:30000
28 x 32
DPW
RG-06-13
F114
5832 Ed. ? Sept
"?" on copy of map available for review
Dept. C&GS
1899
Treasury
50
1899
Sep
Humboldt Bay, CA
Dept.
HB
Chart No. 5832
1 of 1
BW
NA
1:30000
28 x 32
DPW
RG-06-11
F114
Chart is full size.
USC&GS
Comparative profiles of channel at
Entrance to Humboldt Bay, CA, from
Ver: 1"=10'
Cross section from north jetty to south jetty
probably
inner end of jetties to deep water
HOR:
showing water column depths for 1875,
51
1899
EC
none
1 of 1
BL
BA
20 x 24
DPW
RG-06-14
F140
US Eng
1"=600'
1883, 1893, 1899 at Bent No. 401.
beyond bar from 1875 to completion
of work in 1899
52
1899
May
Entrance to Humboldt Bay, CA
COE USA
EC
none
1 of 1
2-BL OR
BA
1:7200
25 x 34
DPW
RG-06-15
F140
53
1901
Feb
Humboldt Bay, CA
USC&GS
HB
Chart No. 5832
1 of 1
BW
NA
1:30000
28 x 32
DPW
RG-06-14
F114
Chart is full size.
C7
Appendix C Listing of Available Maps and Charts by Date
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