The morning news. [volume] (Savannah, Ga.) 1887-1900, 1889-05-11
NOTICE TO MARINERS.

Jacksonville, Nav S--(ireat Marsh Island ShoaI
Beacon No I, showing a white light. in st John 3
River, Fla has been carried away. 1t will be
replaced as soon as possible.
Washington May s-Notice is given by the
Lighthouse Board that the following named
lighted beacons have been established in the st
Johns River, Fla:
No 19-Grassy Point Beacon, two fixed white
lights three feet apart, in the same focal plane.
substituted for the single white light of Grassy
Point.
No t9a Phillips Point Beacon fixed white
light off Phillips Point.
No 81 a-Mandarn Point Wreck Beacon, fixed
white light. day mark black and red perpendic-
ular stripes Off Mandarin Point, marking wreck
of steamer Maple Leaf. and replacing wreck
of Maple Leaf Buoy which has been removed.
No u b-Switzerand Point Beacon white
light, Off Switzerland Point.
No SO a-Raweston Beacon. fixed red light,
marking middle ground. of Rawleston
No IS b-Sau Mateo Beacon, fixed red light,
between Rawleston and San Mateo.
No IS c-Dunn's Creek Beacon. fixed red light,
No So d, Horseshoe Beacon, fixed red light, and
No Al a, Murphy's Island Beacon, fixed white
light-marking the passage into and through
the Horseshoe.
No IL b-Rose Creek Beacon, fixed white light,
of Rose Creek.
No SO Nashua Beacon, fixed rod light, be-
tween Nashua and Welaka Spring.
No 50 f-Ocklawaha Beacon, fixed red light,
at the Ocklawaha River
No SO g-Norwalk Beacon, fixed red light; No
81 h-Black Point Beacon, fixed red light
marking shoals from Little Lake George to
Georgetown.
No47a -volusia. south beacon, fixed white
light south Of No 47-Volusia Shosl Beacon.
No 81 a-Orange Bluff Beacon, fixed red light,
No 53-Lako Monroe Beacon, fixed white light,
marking shoal at north entrance to Lake Mon
roe.
In going up the river or to the southwark. the
white lights will be passed on the port side, aud
the regular lights on the starboard side.
ATLANTIC coAsr-oFF SHORE CURRENT oBsERvA-
rIoNs. INFORMATION OF SPECIAL IMPORTANCE
TO MARINERS
The Coast Survey steamer Blake" Lieut. r
Plllsbury, q S n. Assistant Coast and Geo .etic,
commanding engag d in making current OBJ
servations, will anchor during May, June and
July, 1889, in the following localities and la
depths betwetn 100 and >, $40 fathoms:
Southeast Of Cape Hatteras; south Of Nan
tucket Shoal; south Of Georges Shoals
When at anchor. the Blake will display, dur
ing the day. three balls shapes at the fore
topmast head; during the night, three lights
red, white, red-one above the other. Masters
OF vessels navigating these waters are request
ed TO keep clear Of her.
SUB SURFACE CURREyT.FLoATs.
In connection with this current work, Lieut.
Pillsbury will set adrift a number OF sub-surface
currenthoats, each consisting OF a ~ inch
square white painted pine stan, about feet
long, projecting from TO feet above the sur
face, surmounted by sample tin windya
and with four galvanized sheetrOn wings at
the lower end 10 receive the i'm pulse OF the
ocean currents OF a depth OF or feet below
tho surface and cause IL 10 drift with the sub
surface currents and be substantially exempt
from the influence OF winds or surface currents.
The staff carries five glass water. tight tubes.
each held IN a mortise by easily unfastened
copper wire. Zach tube incloses an envelope.
addressed TO 1.-THE Superintendent Coast and
GeOdetic Survey. Washington, d G, containing
a leahet printed ia English. German, Spanish
and French, showing the date aud locality OF
the first launching Of the float, and giving in
strnctions 10 the finder as 70 filling the blanks
with the date and locality at which he found II.
Any person finding one Of the floats IL respect
fully and earnestly requested 70 remove from
n one Of the glass tuhas nd immediately set
the float 9drift again, So lat IL may continue
20 iiOat with currents Until intercepted again
ana another tube removed by some other finder,
and so on until IL Is finally lost or all its tubes
removed. Each finder should break or open the
tube carefully. read and follow the directions OF
the printed leafiet, by writing in the proper
blank spaces the date and locality at which he
found il, either afioht or ashore, appending hA
own signature and address, incosilg il in the
accompanying envelope, and Forwarding II 10
the nearest Uni ed States consul. or mailing II
20 the Superintendent OF the Coast and GeOdetic
Sur sy, a. addressed Ina view OF the impor.
lance to safety ~ navigation, ~ all items of
information as 10 the direction aud velocity 81
ocean currents. all mariners and people along
shore ure urgently reqnc ted % contribute 20
the success ~ this feature OF their inyestiga
ton by intercepting and rolauuching host
wherever seen. and carefully complying with
the foregoing suggestions.