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Anchorage No. 3.-(Riverview, General Anchorage).

Located between Fort

McHenry Channel and Municipal Airport, bounded by lines drawn between the following points:

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2. White Spar
Buoy C

3. Buoy 18M

4. Buoy 12M

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6,900 feet, 134° 30' true from Lazaretto Point Light. 6,900 feet, 146° - 45' true from Lazaretto Point Light. 11,360 feet, 144° 45' true from Lazaretto Point Light. This anchorage shall be restricted to vessels of over 24 feet draft. No vessel shall remain on this anchorage longer than four days without obtaining a permit from the Harbor Engineer.

Anchorage No. 4.-(General Anchorage). Located between Sollers Point and Municipal Airport, bounded by lines drawn between the following points: 9,430 feet, 3300 - 201 true from Fort Carroll Light. 9,310 feet, 315° 00' true from Fort Carroll Light.

1.

2.

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No vessel shall remain longer than four days without obtaining a permit from the Harbor Engineer. This is to be a general anchorage for vessel drawing 20 feet and under.

Anchorage No. 5-(General Anchorage). Located between Fort McHenry Channel and Curtis Bay Channel and bounded by lines drawn between the following points:

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1. Buoy 11M 7,800 feet, 60° 00' true from Brewerton Channel Back
Range.
5,650 feet, 44° 15' true from Brewerton Channel Back
Range.

2. Buoy 9M

3. Buoy N2

5,000 feet, 480 - 45' true from Brewerton Channel Back Range.

4. Bell Buoy 3,600 feet, 330° - 20' true from Brewerton Channel Back

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No vessel shall remain longer than four days without obtaining a permit from the Harbor Engineer. This is to be a general anchorage for vessels drawing 20 feet and under.

Anchorage No. 6.-(Explosives Anchorage).-Located northeast of Fort McHenry Channel and just northwest of Fort Carroll, and bounded by lines drawn between the following points:

1.

2. Buoy &M

3. Buoy 6M

4,610 feet, 3390 - 30'
4,475 feet, 3080 45
1,310 feet, 275° 15'

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true from Fort Carroll Light. true from Fort Carroll Light. true from Fort Carroll Light. 4. W. Spar Buoy A 1,000 feet, 346° - 30′ true from Fort Carroll Light. Vessels are to anchor here only for the loading and unloading of explosives; vessels loading explosives are to leave the port immediately upon the completion of the transfer.

Anchorage No. 7.-(Quarantine Anchorage). Located in the area west of Fort McHenry Channel and south of Curtis Bay Channel, and bounded by the western and southern edges respectively of those channels and lines

between the following points:

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true from Fort Carroll Light. true from Fort Carroll Light. true from Fort Carroll Light. true from Fort Carroll Light.

4,775 feet, 3020 00' 2. Buoy Cl 5,450 feet, 297° - 15' 3. W. Spar Buoy A 2,575 feet, 263° 30' 4. Buoy 5M 1,730 feet, 2580 - 45' This anchorage is to be used only by vessels waiting quarantine inspection. Special permits for use of the lower part of the anchorage for explosive loading of vessels exceeding 20 feet in draft may be issued in extraordinary cases.

Anchorage No. 8.-(Dead Anchorage). Located in Curtis Bay, south of Curtis
Bay Channel, bounded by lines drawn between the following points:
5,650 feet, 296° - 30' true from Brewerton Channel Rear
Range Light.

1. Buoy C7

2. Buoy C5

3.

2,775 feet, 345°

Range Light.

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90° - from these points south to the shore line between Sledds Point and Leading Point.

Vessels shall anchor so as not to swing within 100 yards of the channel. No vessel may occupy this anchorage without obtaining a permit from the Harbor Engineer. When the Harbor Engineer finds such action necessary to conserve space, he may require vessels in this anchorage to moor bow and stern or to one another.

Anchorage No. 9.-(General Anchorage). Located north of Ferry Bar Channel and southwest of Fort McHenry Park, bounded by lines drawn between the following points:

1.

2. Buoy
3. Buoy S14

4. Buoy S10

5. Buoy S8

6. Buoy S

5,300 feet, 251°
Light.

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30' true from Fort McHenry Channel

228° - 45' true from Fort McHenry Channel

5,665 feet, 241°
Light.
4,500 feet,
Light.
3,165 feet,
Light.
2,560 feet,

Light.

201°

182°

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45' true from Fort McHenry Channel

1,675 feet, 187° - 00' true from Fort McHenry Channel

Light.

This anchorage is to be used only by vessels using nearby docks, while awaiting berths at piers. No vessel may remain in this anchorage more than twelve hours without obtaining a permit from the Harbor Engineer.

A large general emergency anchorage is at Sandy Point, about 22 nautical miles below Baltimore in the Chesapeake Bay. This is a natural deep water anchorage of unlimited area, with depths of 50 feet or more.

BRIDGES

There are no bridges over the Main Ship Channel of Baltimore Harbor. In

other sections of the harbor rail and highway crossings are few.

The Middle Branch is crossed by a bascule highway bridge at Hanover Street and by the Western Maryland Railway swing bridge half a mile above. Both bridges have movable spans, the former permitting a clear opening 150 feet wide and the latter 80 feet on one side of the center pier and 86 feet on the other side.

Curtis Creek is crossed by a bascule highway bridge at Pennington Avenue

and by the Baltimore & Ohio Railroad swing bridge half a mile above. Both bridges have movable spans, the former providing a clear opening 150 feet wide and the latter 152.7 feet on each side of the center pier.

Colgate Creek and Bear Creek, both navigable only by shallow draft vessels, are crossed by a number of highway and railroad bridges all having movable spans.

Bridge Regulations

The following special rules and regulations govern the operation of draws

spanning Middle Branch and Colgate Creek:

Hanover Street Highway Bridge across Middle Branch of Patapsco River.(a) When, at any time between the hours of 5 a.m. and 6:30 a.m., 9:30 a.m. and 4:00 p.m., and 6:00 p.m. and 9:00 p.m., a vessel, tug, or any watercraft unable to pass under the bridge approaches it, the signal of intention to pass through the draw and for the draw to be opened shall be three blasts of a whistle or horn blown on the craft. When such signal is given, the bridge shall be immediately cleared, no vehicle or person not then on the drawspan shall be allowed to come upon it, and the draw shall be opened forthwith. If the draw is ready to be opened immediately, the draw operator shall answer immediately by three blasts of a whistle or horn blown on the bridge; and if the draw is not ready to be opened immediately, he shall answer by one short blast of a whistle or horn blown on the bridge.

(b) The draw shall not be required to open to vessels between 6:30 a.m. and 9:30 a.m. and between 4:00 p.m. and 6:00 p.m., except in cases involving the passage of fire boats, police boats, and craft similarly engaged in emergency operations. An attendant shall be kept on duty during these periods.

(c) When a vessel, tug, or any watercraft unable to pass under the bridge desires to pass through the draw at any time between the hours of 9:00 p.m. and 5:00 a.m., notice of such intention shall be given to the superintendent of the bridge by telephone or otherwise, either at the bridge before 9:00 p.m. or at his residence thereafter. If the notice is

given between the hours of 5:00 a.m. and 9:00 p.m., or if at least onehalf hour has elapsed since it was given, the draw shall be promptly opened at the specified time in the notice on signal given and answered as hereinbefore prescribed.

(d) The owner of the bridge shall keep conspicuously posted thereon, in such manner that it may be easily read at any time, a notice stating how the superintendent may be reached and shall arrange for ready telephonic communication with him at any time between 9:00 p.m., and 5:00 a.m., either from the bridge or from its immediately vicinity.

City of Baltimore Bridge, across Colgate Creek.- 1. The draw shall be promptly opened for all vessels desiring to pass through it whose hulls, deck houses, or cargoes are of such height that they will not pass under the bridge safely when it is closed.

2. The hours for opening the draw shall be from 6:00 a.m. to 6:00 p.m. during the months of December, January, February, and March, and from 6:00 am. and to 10:00 p.m. during the remaining months of the year, including Sundays.

3. A vessel approaching the bridge and desiring to pass through the draw shall signal by three blasts of a whistle or horn. The signal shall be answered by three blasts of a whistle or horn from the bridge, and the draw shall be opened within 3 minutes from time of signal. In case, however, of accident to the machinery or other contingency involving unavoidable delay in opening the draw, the signal shall be answered by one blast of a whistle or horn.

TUNNELS

The construction of a vehicular tunnel across Patapsco River between Fairfield and Canton is to be commenced during the mid-year of 1955. The tunnel is scheduled for completion by 1958.

For a distance of 500 feet on the northerly side and 1,400 feet on the southerly side of the center line of the main ship channel, the minimum depth at mean low water to the top of the tunnel will be no less than 55 feet. At the pierhead lines at Fairfield and Canton the tunnel depth will be 33 feet at mean low water. The tunnel will connect U.S. Route 1 to the southwest of Baltimore and U.S. Route 40 to the northeast.

WEATHER CONDITIONS

The coastal plain region of Maryland and Delaware lies between the ocean

on the east and a line, known as the fall line, running from Wilmington, Del., through Baltimore and Washington. The eastern shore of Chesapeake Bay, as well as most of Delaware, consists of flat, low, and almost featureless plains, while the western shore is a gently rolling upland. Climatic conditions for Baltimore are similar to the weather conditions generally for the state of Maryland.

During the month of July 1955, the entire State was hot and dry, and this condition continued with but few interruptions through the month. In August, hurricanes "Connie" and "Diane" passed near Baltimore within a week of each other. This was instrumental in producing a total of 17.69 inches of precipitation, the greatest for any month of record.

Fogs occur chiefly from October to March, and during this period there are 12 days, on the average, with dense fogs. From April to September there are only 2 days, on the average, with dense fogs.

Baltimore Harbor is frozen over during severe winters, but the municipal icebreakers and the large power driven vessels keep the dredged channels open so that self-propelled vessels seldom have difficulty in entering the harbor. Ice conditions in the main channel are most severe in the vicinity of Sevenfoot Knoll Light, where ice moving from the northern end of Chesapeake Bay tends to collect in packs. Navigation from Baltimore to the upper end of the bay and the Chesapeake and Delaware Canal is likely to be interrupted by ice for short periods during an average winter.

There is no distinctive rainy season; the mean annual precipitation is 42.52 inches; droughts are infrequent. The maximum of precipitation usually occurs in August and the minimum occurs in November. The average snowfall is moderate,

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