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the Chief of Naval Operations.

Operations Division. — Assistant for operations, paragraphs 6, 7, 10. and 45; overseas
transportation, paragraphs 12 (c) (d) {e), 13 (m), 17 (n), 19 (p), and 22; ship move-
ments, paragraphs 12 {i), 19 (p), 36 {aa), 37 (66) {cc), 39, 42 {dd) (ff), 43 (gg) (hh) (ii) (jj);
submarine detection, paragraphs 12 (j), 36 (aa), 37 (66) (cc), 42 (dd) (ee) (ff), 43 (hh) (li)
(jj), and 45 (mm) (nn) (pp).

Material Z)!!^*^?!.— Paragraphs 12 (i) (j), 26 (r), 27 (s), 29 (t) (u), 36 (aa), 43 (ii) (kk),
44 (II), 45 (mm) (pp).

Intelligence Division. — Paragraphs 32, 33, and 34.

Communications Division. — Paragraphs 19 (p), 20 (</), and 21.

Naval Districts Division.— Tamgraphs 12 (a) (b) (c) (f) (g) (h) (j) (k), 15, 18 (o), 24,
26 (r), 27 (s), 29 (t) (u) (v), 32, 33, 34, 35, 37 (66) (cc), 39, 42 (dd) (ee) (ff), 43 (hh) (ii)
(jj) (kk), 44 (II), 45 (mm) (nn) (oo) (pp).

Aviation Division. — Paragraphs 12 (g), 15, 35, 36 (aa), and 43 (kk).

(Signed) W. S. Benson.


28 March, 1918.
From: Chief of Naval Operations.
To: Commandant, first, second, third, fourth, fifth, sixth, seventh, and eighth naval

Subject: Plan for coastwise shipping in case of submarine activities on this coast.

1. It is requested that the commandant of each naval district forward to the depart-
ment (operations) general recommendations on the above subject and detailed rec-
ommendations as it concerns his district. It is desired that there be taken into con-
sideration all local conditions affecting the plan, such as the prevalence of fogs and
particularly unfavorable weather at certain seasons; the facilities for coastwise ship-
ping entering harbors under all conditions of tide, night, etc.; character of the coastal
waters, whether coasting may be done in less than 10 fathoms; the offshore areas in
which there may be danger of colliding with outbound convoys at night, etc.

2. Outlines below as a guide is a plan under consideration by the department.

(a) To all customs officials, shipowners, and others connected with operating ves-
sels in coastwise trade will be sent out immediately a circular letter stating that in
the event of reports being received of submarine activities on this coast uponi noti-
fication the control of all shipping will immediately pass into the hands of the Navy.
Coastal vessels may expect radio war warnings to be sent out in plain English giving
notice of the presence of submarines and ordering all coastal vessels within designated ,
districts to put into the nearest port for orders. The limits of the naval districts will
be defined and the captains of the vessels will be instructed to ask for instructions
from the naval district commandant, whose telegraph address and telephone number
will be given.


(b) Until the actual presence of submarines on this side, coastwise shipping is to
follow the normal routes and schedules.

(c) Acting upon warnings received of the location of enemy submarines, shipping
will be routed in those districts, where it may be necessarj-, along the following general

(1) In all cases the control of shipping within a district will be in the hands of the
district commandant in order that the proper coordination may be obtained along the
whole coast. This control will follow a general doctrine, and the commandant of each
district will be informed of the control of these districts adjacent to his district.

(2) The best practice is to have coastwise shipping proceed by day, hugging the
shore and keeping within the 5-fathom curve or as near to it as practicable. Also,
since it is the policy of the shipping committees charged with such work to allocate
the smallest and least valuable shi^ft to the coasting trade, it, as a matter of expedi-
ency, should be the policy to protect such shipping by means within the districts
through which the coastwise shipping passes.

(3) When it is found expedient to route coastwise shipping by night, it should pro-
ceed independently, being routed with due regard to the warnings received of the
location of enemy submarine.

(4) Districts 1, 2, and 3 — New York and northward. — All coastwise shipping bound to
or from New York, proceed \aa Long Island Sound, keeping to the northern shore,
and travel by night or day as far as New London.

Since it is impractical to follow the 5-fathom curve from New London northward,
proceed (1) by day or night via Buzzards Bay and Cape Cod Canal, or (2) by day or
night via Vineyard Sound, or (3) independently by night coasting when necessary
to go outside.

Northward from Nantucket Shoals or Cape Cod Canal proceed independently by
night coasting.

(5) Districts 3, 4, 5, and 6 — Between New York and Jacksonville. — Shipping proceed
by day, hugging the shore and keeping within the 5-fathom curve as near as it is
practicable. This shipping will be protected by the means within the capacity of
the naval districts through which it passes.

(6) District 7 — Jacksonville to Key West. — The coast here is too steep to allow day-
light coasting in less than 10 fathoms, and lack of sheltered anchorages will not allow
night cruising from port to port (except for small craft that can use anchorages at
Settlement Point, Bimini Islands, and Turtle Harbor).

The Florida Straits should then be made safe for traffic by having it convoyed
through or by aircraft and destroyer patrol. Shipping out of the Gulf of Mexico
should be routed north or south of Cuba as the circumstances existing at the time
render more expedient.

(7) Districts 7 and 8 — Between Key West and Galveston. — Same as New York to

(8) District 8 — Between Galveston and Tampico. — Night coasting.

Op-14-A-D 5/4.

Navy Department,
Office of Naval Operations,

Washington, May 4, 1918.

To ALL Shipmasters and Shipowners.

(Circular letter.]


1. In the event of enemy submarine activity on the Atlantic coast, the following
steps will become necessary for the protection of shipping at sea and in order that
shipping may be properly routed.


2. Upon notification by the Navy Department, the control of all shipping, coastwise
and overseas, for routing and within the defensive sea areas and outside of harbors
will be assumed by the Navy Department. This control will be exercised locally
by the commandants of the several naval districts.

3. Before lea^^ng port, masters of vessels must in all cases apply to the commandant
of the district for orders and routing instructions.

4. Vessels at sea should be prepared to receive at any time radio instructions to
put into the nearest port or some port other than port of destination for orders.

5. Orders to make port should be promptly carried out and arrival reported at once
with request for further orders and route instructions.

6. In coastal waters and at sea the boundaries of the naval districts shall be con-
sidered to extend seaward as follows:

First naval district. — When north of the paAUel of latitude of Chatham, Mass.
(41° 41'), communicate with the commandant first naval district. Little Building,
corner of Boylston and Tremont Streets, Boston, Mass. Telegraph address, Boston;
telephone address. Beach 7620.

Second naval district. — When within the area bounded as follows, communicate
with the commandant, second naval district: On the north by the parallel of latitude
of Chatham, Mass. (41° 41' N); on the east by longitude 67° 45'; on the south by a line
passing west true from longitude 67° 45' to Nantucket Shoals Light Vessel, thence to
Montauk Point, thence to Bartlett's Reef Light Vessel south and west of the entrance
to New London Harbor, address commandant second naval district, naval station,
Newport, R. I.; telegraph address, Newp)ort, R. I.; telephone address, Newport 27.

Third naval district. — When between latitudes of Chatham, Mass. (41° 41'), and
that of Barnegat, N. J. (39° 45'), excepting the areas described for the second naval
district, communicate with commandant third naval district, 280 Broadway, New
York; telegraph address, New York, N. Y.; telephone address. North 8900.

Fourth naval district. — When between the latitude of Assateague (37° 50') and
Barnegat, N. J. (39° 45'), communicate with commandant fourth naval district.
White Building, corner of Twelfth and Chestnut Streets, Philadelphia, Pa.; telegraph
address, Philadelphia, Pa. ; telephone address. Walnut 5060.

Fifth naval district. — When between the latitude of New River Inlet, N. C. (34° 30'),
and Assateague (37° 50'), communicate with commandant fifth naval district, Citizens
National Bank Building, Norfolk, Va. ; telegraph address, Norfolk; telephone address,
Norfolk 6200.

Sixth naval district. — When between the latitude of St. Johns River, Fla. (30° 22'),
and New River Inlet, N. C. (34° 30'), communicate with commandant sixth naval
district, Peoples Office Building, Charleston, S. C; telegraph address, Charleston,
S. C.

Seventh naval district. — When within the area to the southward and eastward of the
latitude of St. Johns River, Fla. (30° 22'), and bounded on the westerly and southerly
sides by a line running aa follows: West on the latitude of Tampa to longitude 83°;
thence south to the Island of Cuba; thence following the shore to Cape San Antonio;
thence southeasterly to a point latitude 18° 35' north, longitude 78° 25' west; thence
easterly passing to the southward of the Islands of Haiti and Porto Rico and St. Croix;
thence northeasterly through Anegada Passage; thence 84° true, communicate with
the commandant seventh naval district, naval station. Key West, Fla.; telegraph
address. Key West. Fla.

Eighth naval district. — When within the Gulf of Mexico to the westward of the
seventh naval district, the Yucatan Channel, and waters to the southward to latitude
18° 35' and to the eastward to the limits of the seventh naval district, communicate
with commandant eighth naval district, naval station, New Orleans, La.; telegraph
address, New Orleans, La.


Fifteenth naval district. — \Mien within the waters to the southward of latitude 18° 35^
north and to the westward of line passing from latitude 18° 35^ north, longitude 78° 25'
west to Cape Tiburon, Republic of Panama, communicate with commandant fifteenth
naval district, Cristobal, Canal Zone; telegraph address, Cristobal, Canal Zone.

(Signed.) Josephus Daniels.


May 8, 1918.
From: Chief of Naval Operations.
To: Commandants first naval district, second naval district, third naval district,

fourth naval district, fifth naval district, sixth naval district, seventh naval district,

eighth naval district, fifteenth naval district, commander in chief, United States

Atlantic Fleet.
Subject: Dispositions for control of coastwise shipping in event of submarine activity

off eastern coast of United States.
Reference: (a) C. N. O. let. March 28, 1918, Op-23. (6) Notice to shipmasters and

shipowners. May 4, 1918. (c) C. N. 0. let. May 6, 1918.
Inclosure: (A) Reference (6).

1. Until submarine activity develops in the western Atlantic, coastwise shipping
will proceed along normal routes and schedules.

2. When necessity arises for the Navy to assume control of coastwise shipping, this
will be done by the various commandants of naval districts upon receipt of a dispatch
from the department (operations): "Assume control of coastwise shipping."

3. Unless further advised, commandants of naval districts will, upon receipt of the
above dispatch, take action along the lines outlined in reference (a), paragraph 2 (c)
(1-8), making adaptations required by local conditions. It is to be noted that this
plan contemplates coastwise shipping sailing independently of convoy, being routed
with due regard to warnings received of the location of enemy submarines.

4. Attention is invited to reference (6) inclosed. It is of the highest importance
that district commandants should have all routing possibilities and the requirements
of coastwise shipping and military and commercial requirements on shore fully devel-
oped and understood with the various parties interested. This in order that vessels
diverted from regular routes in accordance with instructions, or arriving in port for
orders, may suffer the least delay in obtaining routing orders.

5. District commandants will have the inclosed letter to mariners, reference (6),
printed in sufficient quantity and cause them to be distributed to shipowners and
shipmasters and to custom officers and captains of the port and others in such manner
ae to insure their reaching the various parties interested as promptly as possible.

(Signed) W. S. BENSON.


A. ^^g"

Aceredo, Pedro (San Saba) 133

Acushia, American gas screw 86

Adelheid, American s. s 29

Advance, American s. s 48

Agnes G. Halliard. (See Agnes

G. Holland 58

Agnes G. Holland, Canadian

schooner 58

Ainsleigh, Charles (Lansford) 54

Alban, British s. s 108

Albert W. Black, American gas

screw 83

Alberto Treves, Italian s. s 104

Aleda May, American schooner ... 82

Algeria, Swedish s. s 96

Alicke, Rudolph (Ticonderoga) . 110-111

Allied Intelligence Service 101

America, C. E. (Saetia) 134

American Telephone & Telegraph

Co 120

Amirault, Louis (Katie L. Palmer). 89

Amphion, American s. s 104

Analysis of tables 141

Andrews, Philip, ('apt.. U.S.N... 150

Annie Perry, American schooner. . 59-58

Ansaldo III, Italian s. s 96

Anson M. Bangs, American tug 30

Appendix 143

A. Piatt Andrew, American

schooner 66

Appleby, British s. s 38

Arabian, U. S. tug 24

Araa, British s. s 48

Amauld de la Periere (U-139) 12

Atlantic Maritime Co. (Muriel) 57

Atlas Shipping Corporation 30

Augvald, Norwegian s. s 49

Author, British s. s 46


Babcock, J. v., Commander, U.S.N. 150
Bagley, D. W., Lieut. Commander

(Jacob Jones) 113

Ballested, Edward (Vindeggan). . . 45,46

Barber, Capt. (Carolina) 36

Barge 403 54


Barge 740 54

Barge 766 54

Baron Napier, British s. s 11, 82

Bastin, Rene H. (0. B. Jennings).. 74, 75

Batt, Alfred E. (Diomed) 81

Beer, Adolph ( San Saba) 133

Belknap, R.R., Capt., U.S. N.... 150
Belliveau, Forman (K. L. Palmer) . 90

Bencleuch, British s. s 77

Bennett, H. H. (Herbert L. Pratt) . 125

Benson, W. S., Admiral, U. S. N . . 38,

150, 151, 152, 155

Bergsdalen, Norwegian s. s 99

Bianca, Canadian schooner 97

Birch, Capt. (Moorish Prince) 108

Birdsall, B. G. (San Saba) 132

Blakely, J.R. Y., Capt., U. S.N.. 150
Board recommendations for de-
fense against submarines 38.

143, 151, 152, 155

Birmingham, U. S. S 19

Blaine, Clyde (San Diego) 128

Blommersdijk, Dutch s. s 22

Boundaries of naval districts 154

Breiford, Norwegian s. s 133

Brewer, Capt. (Bussum) 127

Briarleaf, British s. s 117

Bright, C. J., Lieut. (San Diego). . 127

Bristol, American s. s 34, 36

British Major, British s.s 71

Brown, Capt. (Maiden) 127

Bruce, Capt. Wallace (A. Piatt

Andrew) 66

Bryssel, Danish s.s 38

Bussum, U. S. S 127

Cable cutting 25

Cable cutting (U-151) 25, 119, 123

Cacique, American s.s 45

Camilla Rickmers (Ticonderoga) . . 106

Carolina, American s.s 36

Carty, Col. John J 120

C . C . Mengel & Bros 41

Central and South American Cable

Co 120

Chaparra, Cuban s.s 125, 134, 137





Charts In pocket.

Chase, J. V. (Minnesota) 130, 132

Chester, U. S. S 113

Chiller, Belgian relief ship 49

Chope, Capt. (Llanstephan Castle). 46

Christine, American bark 18

Christy, H. H. (San Diego) 127

Chr. Knudsen, Norwegian s. s 22

Circular letter to shipmasters and

shipowners 153

City of Calcutta, British s. s 48

Clan MacArthur, British s. s 105

C. M. Walters, Canadian schooner. 69

Coast Guard Station No. 82 56

Coast Guard Station No. 83 46

Coast Guard Station No. 115 45

Coast Guard Station No. 179 129

Coastwise routing office 39

Coffey, M. (C.G.M.,U. S.N.).... 22

Colhoun, U.S.S 56

Collister, Thomas (Keemun) 47

Colorado. (See San Saba) 132

Commandant 5th naval district . . . 132

Commercial Cable Co 120

Constanza, Danish schooner 11, 106

Cook, F. L. (Madrugada) 94

Corinthian, American s. s 87

Cornell, E. E. (Saetia) 134

Crenella, British s. s 24, 123

Cretan, American s. s 78

Cruiser, American Ga. s 83


D-2 (U. S. submarine) . , 19

Daniels, Josephus, Secretary of the

Navy 155

Davis, Thomas E. (San Diego) 128

Davis, W. H. (J. M. Haskell) 33, 126

Defense against submarines in home

waters 143

Defense against submarines in home

waters — Alteration of plans 150

De Steiguer, L. R., Capt., U. S. N. 150

Derbyshire, British s. s 62, 65

Deutschland 7, 15, 100

Diamond Shoal Lightship 75, 77

Dias, Manuel, Capt. (M. E. Sennet) 87

Diomed, British s. s 75, 79

Dispatches from Force Comman-
der, European waters 9

Disposition for control of coastwise
shipping in event of submarine
activity off eastern coast of Uni-
ted States 155


District defense 9, 38, 152

Dochra, U. S. S 49

Dodge, Capt. (F. P. Jones) 127

Doon , American bark 43

Dornfontein, British schooner 56

Dorothy B. Barrett, American

schooner 93

Doucette, Fred (Aleda May) 83

Droscher, Kapitanleutnant(U-117) 82

Dwinsk, British s. s 48


Earl and Nettie, American Ga. s. . 83

E. B. Walters, Canadian schooner. 69
Eckelmann, Eric, Kapitan leut-

nant (U-155) 18,100

Edna, American schooner. . . 24, 121, 123
Edward H. Cole, American

schooner 34

Edward H. Cole Co 34

Edward R. Baird, jr., American

schooner 42

Eidsvold, Norwegian s. s 43

Elizabeth von Belgie (Belgian Re-
lief ship) 59

Ella Swift, American schooner 44

Elsie Porter, Canadian schooner. . . 99

Empresa Na^dera de Cuba 134

Eric, British s. s 68

Eva B. Douglas, American

schooner 38

Evans, Da^dd (Pennistone) 61

Execution of a plan for defense
against submarines in home

waters 152


Fairfax, U. S. S 105

Fassett, J. A., Ensign, S. P. No.

507 38

Flemming J. W. (Saetia) 133

Florence Olson, American s. s 56

Folkmans, Jens (Vindeggen) 45

Fooks, D. J. (Edw. R. Baird, jr.) . 22
Force Commander European Dis-
patches 9

Forsyth, A. O. (Montoso) 100

Foy, E. J., Lieut. Commander,

U. S. N 150

F. P. Jones, American s. s 127

Francis J. O'Hara, jr., American

schooner 66

Frank H. Buck, U. S. S 101



Franz, Kapitanleutnant (U-152) . . 106,

111, 113
Frederick R, Kellogg, American

s.s 92

•Freehold U. S. S 137

Frehe, Tarwald (Stifinder) 115

Fulcher, Lieut, (j. g.), (Ticonde-

roga) 109,111

Fullinwider, S. P., Commander,

U. S. N 150

Furness Withy & Co., San Jose. . . 61
Fuylcher, Surgeon (U-152) 112


Galveston, U. S. cruiser 70

Gamo, Portuguese schooner 101

George G. Henry, U. S. S 106

George W. Truitt, jr., American

schooner 47

German submarines — arrivals and

departures 7

Gilmore, Capt. C. W. (Edna) 25, 27

Gladys Frehaleit (G. M. Hollett).. 58
Gladys M. Hollett, Canadian

schooner. 58

Gleaner, American gas screw 83

Gleaves, Albert, Rear Admiral, U.

S.N 19

Glenlee, British s. s 49

Gloaming, Canadian schooner 70

Gloucester, American s. s 124

Golart, Joseph (Rush) 98

Goodspeed, American s.s 88

Granpian, British s. s 108, 111

Grant, Admiral A. W. (Minnesota). 9. 131

Grecian, American s. s 33

Griggsby , L. O. (Minnesota) 130

Grostock, Harold (Samoa) 47

Gymeric, British s.s 56


Haggart, R. S. (U. S. S. Hull) .... 42

Hamburg, German cruiser 76

Hansen, George, Capt. (Sommer-

stadt) 91

Hansen, Hans T., Capt. Sam. C.

Mengel 42

Hansen, Louis (Mariners Harbor).. 77, 79

Harpathian, British s. s 44

Harris, Paul John, San Diego 128

Harrisburg, U. S. S 54, 70,80, 124

Harry Lauder 112

Hart, Walter M. (Bristol) 36

Ilattie Dunn, American schooner . 24,

26, 121, 123
Hauppauge, Americans. V. 24, 26, 121,123

Hawaiian. American s. s 105

Heine, Chief Engineer (U-l 52) . . . 112
Helen E. Murley, American Ga. s. 89, 91

Henley, U. S. S. destroyer 41

Henrik Lund, Norwegian s. s 46

Herbert L. Pratt, American

tanker 30, 41, 123, 125, 138

Herman Winter, American s. s. . . . 61
Holbrook, Capt. (Hattie Dunn) ... 25, 26

Holte, S. E. (Marosa) 52

Hull, U. S. S 42,74

Huntress, British s. s 23

Huntsend, British s.s 45


Industrial, British schooner 104

Inland, American s.s 137

Intelligence Section 9

Inter-Allied Radio Conference . . . 121
Isabel B. Wiley, American

schooner 27, 30, 121, 124

Israel, U. S. S 130, 131


Jacob Jones, U. S. S 113

Jacob M. Haskell, American

schooner 33, 121

Jacobsen & Thon (Samoa) 47

J. C. Donnell, American s. s 24

Jerden, Wm. and W. S. (K. L.

Palmer) 88

J. J. Flaherty, American schooner. 69, 70

J. L. Luckenbach, American s. s.. 18

John J. Fallon, ^ merican schooner 99

Johnson J. (Eidsvold) 43

John Twohy, American s. s 18

Johnson, M., Rear Admiral, U. S.N. 150

Jonancy , American s. s 24

Joseph Cudahy, American tanker. 70


Katie L. Palmer, American Ga. s. 82, 88

Kearsarge, LT. S. S 95

Keemun, British s. s 46, 47

Kent, W. (Minnesota) 131

Kermanshah, American s.s 72

Kerr Steamship Co. (Kerman-
shah) 72




Kingfisher, U. S. S 93

Kingfisher, steam trawler, Ameri-
can 103,125

Kirin Maru, Japanese 8. s 118

Knoeckel, J. (U-156) 61, 65

Knudsen, Waldemar (Winneconne) 31
Knudsen and Christiansund

(Kringsjaa^ 48

Koenig, Capt. Paul (Deutschland). 15

Kohler, Lieut. (U-151) 29, 35, 42, 48

Koln, German s. s. (See Am-

phion.) 104
Kophamel, Korvettenkapitan

(U-140) 70

Krinssjaa, Norwegian bark 48

Kronprinz Heinrich, German s. s.. 114

Kroonland, U. S. S 54


L-5, American submarine 46

Lackawanna, British s. s 64, 75

Lacy, Albert (0. B. Jennings) 24

Lafrenz, Lieut. Commander (U-65) 122

Lake Bridge, U. S. S 50

Lake Erie, U. S. S 50

Lake Forest, U. S. S 49

Lane, W. (captain of Eric) 68

Lansford, American barge 54

Larson, Alexander (master Syd-

land) '. .. 59

Launo, G. (captain Eva B.

Douglas) 38

Leary, C. F. (master Lucia) 104

Leixoes, Portuguese steamer 102

Letter from Force Commander in

European waters 12

Linda, British schooner 53

Llanstephan Castle, British s. s. . . 46

Loriat, Mr. (cable engineer) 120

Louisiana, U. S. battleship 29

Lowrey, K. B. (Texel) 34

Lucia, U. S. A. C. T 104, 118

Lucille M. Schnare, Canadian

, schooner 66

Luckenbach Co 81

Luz Blanca, Canadian tank ship ... 58

Lynch, Walter S. (Saetia) 133

Lynn, A. E. (Minnesota) 131


Madison, J. J., Lieut. Commander

(Ticonderoga) 107

Madrugada, Brazilian motor

schooner 94

Magnusdel, Gunwald (Kringsjaa) . . 48

Maiden, American s. s 127

Mallory, S. S. Co. (San Saba) 132

Manning W. J. (O. B. Jennings),.. 74

Mantella, British s. s 45 '

Manuel Caragol & Son (Chaparra).. 134
Manx King, Norwegian schooner. 53, 124

Mapleleaf , British s. s 46

Marcussen, Sven (Nordhav) 95

Mariners Harbor, American s. s... 77

Marosa, Norwegian bark 51

Marsh, C. C (Captain U. S. N.

retired) 5

Mary E. Sennett, American Ga. s. 82, 87

McClellan, U. S. A. C. T 49

McDonald, George E. (Frank H.

Buck) 101

McNamara, John (Pleiades) 82

McNamee, L.,Capt., U. S. N 150

Melitia, British s. s 56, 71

Melville, U. S. S 22

Mengel C. C. & Bros. (S. C.

Mengel) 41

Merak, American s. s 77

Merritt William (Dorothy B.

Barrett) 93

Mesquita, Joseph P. (Francis J.

O'Hara) 66

Messina, British s. s 117

Meusel, Lieut. Commander (U-155) 18

Mexican U. S. S 48

Mexico, American a. s 31

Meyer, E. J. (Minnesota) 131

Mine-laying Operations 122

Mine laying (U-151) 30, 41

Mine-sweeping Operations, Atlan-
tic Coast 136

Mine-sweeping ships (naval dis-
tricts) 134

Minneapolis, U. S. cruiser 50

Minnesota, U. S. S 124, 125, 129, 137

Mirlo, British s. s 125, 128, 138

Modifications and changes in plans
for defense against submarine

attack in home waters 150

Mohawk, American s. s 24

Monmouth, British s. s 11, 101

Montau, C. P. O. (U-152) 112

Montcalm, Canadian s. s 24

Montoso, American s. s 100

Moorish Prince, British s. s 108, 111

Muller, F. L. (Ticonderoga) 109, 111

Munson, Andrew (San Diego) 128




Muriel, American schooner 57

Mylire, G. (Triumph) 65


Naval censorship 119

Naval districts, sea boundaries of . . 154

Nelson A., Canadian schooner 58

Nelson, Gustave (J. M. Haskell) ... 33

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 22

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