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United States Coast Survey.—Geographical Positions. Section VI—Florida Keys. Sketch F.

Longitude. Azimuth.

Name of station. - Latitude. To station— Distance. Distance. I Distance.
o a ze o , , o , , Metres. Yards. Miles.
Rocky Point.--------------- 24 33 03.26 E. 0 07 19-22 || 99 16 01 Tift's Observatory........... 5329.9 5828.6 3.30
- 166 18 02 N. W. Boca Chica----------. 10176.5 || 11128.7 6.32
Western Sambo............ 24 28 47.10 0 09 34.60 138 to 34 Tift's Observatory........... 12596.2 | 13774.9 7.83
79 31 13 Sand Key------------------- 16456.0 17995.8 10.22

Wreck of the Frankford.... 24 34 58.16 0 03 37.47 53 36 15 N. Crawfish Key............ 233 34 35 8397.1 9182.8 5.22
211 08 21 N. W. Boca Chica........... 31 04 19 7415.2 8109-1 4.61
Bank in N. W. Channel..... 24 35 00 27 E. 0 03 05.52 216 54 54 N. W. Boca Chica........... 36 56 04 7864.6 8600.5 4.89
49 15 30 W. Crawfish Key............ 229. 14 04 7734.3 8458.0 4-81
Cotteral's Key............. 24 36 01-19 W.0 02 38.04 || 331 10 55 W. Crawfish Key............ 151 11 51 7901.3 8640.6 4.91
252 55 06 N. W. Boca Chica........... 72 58 39 15048.4 16456.5 9.35
Major Bache's Station on 24 36 22.20 0 02 43.62 255 27 01 N. W. Boca Chica........... 75 30 36 15023.2 16428.9 9.33
Cotteral's Key. 294 11 44 Tift's Observatory........... 114 14 37 12829.2 14029.6 7.97
Mullet Key---------------- 24 34 38.38 0 02 22.82 243 28 13 N. W. Boca Chica........... 63 31 40 15599.1 17058.7 9.69
280 31 15 Tift's Observatory........... 100 33 59 11307-1 || 12365.1 7.02
A.----------- ------------- 24 33 22.84 0 00 25.22 35s 16 56 W. Crawfish Key............ 178 16 56 -2360.4 2581.3 1.47
229 51 31 N. W. Boca Chica----------. 49 54 08 13930.7 15234-2 8.66
B.------------------------ 24 32 39.30 0 02 07.74 261 29 50 Tift's Observatory........... 81 32 28 10811.4 11823-0 6.72
340 28 37 Sand Key ------------------ 160 29 30 10764.5 11771.7 6.69
C------------------------ 24 32 36.67 0 02 22.87 261 24 30 Tift's Observatory........... 81 27 14 11244.5 | 12:296.6 6.99
280 33 40 W. Crawfish Key.......----- 100 34 30 3439.9 3761.8 2-14
Middle Ground............. 24 28 52.75 W.0 00 17.31 221 31 28 Tift's Observatory.--...----- 41 33 20 11442.0 12512.6 7.11
178 36 37 W. Crawfish Key.......... ..] 358 36 35 6259.5 6845.2 3.89

United States Coast Survey.—Geographical Positions. Section VI—Florida Keys. Sketch F.

Name of station. Latitude. Longitude. Azimuth. To station— Back azimuth. Distance. Distance. I Distance.
o a to o z a o a wo o a wo Metres. Yards. Miles.
Rock Key.................| 24 27 18.30 E. 001 11.32 203 56 06 Tift's Observatory........... 23 57 21 12550-2 || 13724.5 7.80
82 19 56 Sand Key ------------------ 262. 19 26 2026.8 2216.5 1.26

Eastern Dry Rocks.--------| 24 27 37.79 E. 0.02 03.10 75 55 09 Sand Key ------------------ 255 54 18 *3574.0 3008.4 2.22
198 29 11 Tift's Observatory......----. 18 30 05 11462.6 12535-2 7-12

Western Dry Rocks........ 24 26 43.70 W.0 02 56.23 223 52 33 Tift's Observatory........... 43 55 31 17395.8 19023.5 10.80
260 54 06 Sand Key ------------------ 80 55 19 5026.2 5496.5 3.12

Woman Key--------------- 24 31 44-70 0 02 22.79 334 35 26 Sand Key ------------------ 154 36 25 9372.2 10249.2 5.82
326 15 43 Middle Ground.............. 146 16 36 6360.7 6955.9 3.95

Woman Key, West......... 24 31 29.76 0 03 03.86 99 07 09 Boca Grande--------------- 279 05 10 8129.9 8890.6 5.05
184 58 13 Cotteral's Key -------------- 4 58 24 8382.0 9166-3 5.21

Wreck of Brig Moreno (head.) 24 31 09.95 0 03 34-64 98 38 30 Man Key------------------- 278 37 48 2878-8 3148.2 1.79
190 04 26 Cotteral's Key-------------- 10 04 49 9100.5 99.52.0 5.65

Man Key------------------ 24 31 24.00 0 05 15.76 256 13 05 Tift's Observatory........... 76 17 00 16456.8 17996.7 10.23
258 58 25 W. Crawfish Key.----....... 79 00 27 8402.1 91.88.3 5.22

Lavina Bank -------------- 24 35 09-93 0 06 37.63 256 48 53 Cotteral's Key.........----. 76 50 33 6921.5 7569.1 4.30
341 39 31 Man Key------------------- 161 40 05 7322.5 8007.7 4.55

Boca Grande.-------------- 24 32 11.57 0 07 49.10 || 231 04 13 Cotteral's Key.------------- 51 06 23 11247.1 12299.5 6.99
200 07 22 Lavina Bank. --------------- 20 07 52 5844.1 6390.9 3.63

Boca Grande, East......... 24 31 45.82 0 07 15.79 || 130 12 27 Boca Grande --------------- 310 12 12 1227.2 1342.0 0.76 189 42 11 Lavina Bank. -----. -------- 9 42 27 6370.6 6966.7 3.96

Mule Key............. .... 24 34 46.20 W.0 04 22.98 || 2:31 58 50 Cotteral's Key...------------ 51 59 43 3746.7 4097.3 2.33 50 38 to Boca Grande...............! 230 37 30 7501.3 8203.2 4.66

United States Coast Survey.—Geographical Positions. Section VI—Florida Keys. Sketch F.

Name of station. Latitude. Longitude. Azimuth. To station— Back azimuth. Distance. Distance. Distance

o a zo O / or O / or O / or Metres. Yards. Miles.
Marquesas, Alpha---------- 24 34 23.87 W. 0 13 21-99 || 293 28 04 Boca Grande --------------- 113 30 23 10213.4 || 11169.1 6.34
262 52 40 Lavina Bank---------------- 82 55 28 11463.9 || 12536.6 7-12
Marquesas, Beta. ----------| 24 32 54.59 0 14 20-45 210 54 50 Alpha---------------------- 30 55 14 3.201.8 3501.4 1.99
252 14 31 Lavina Bank---------------- 72 17 44 13671-3 || 14950.5 8.49
Marquesas, Gamma--------- 24 34 11.63 0 16 41.39 300 5129 Beta----------------------- 120 52 27 4619.8 5052-1 2.87
266 08 49 Alpha---------------------- 86 10 12 . 6148.8 3.49
Marquesas, Delta ---------- 24 35 13.11 0 16 04-95 || 345 45 58 Epsilon.------------------- 165 46 13 .0 4570.0 2.60
288 16 32 Alpha---------------------- 108 17 39 4828.2 5280.0 3.00
Marquesas, Epsilon--------- 24 33 01-44 0 15 28.43 || 276 16 50 Beta----------------------- 96 17 18 1924.4 2104.5 1.19
136 27 17 Gamma -------------------- 316 26 47 2979.5 3258-3 1.85
Marquesas, Theta.--------- 24 32 49-41 W.0 16 53.69 || 261 13 32 Epsilon -------------------- 81 14 08 2427.6 2654.8 1.51
187 47 28 Gamma -------------------- 7 47 33 2553-2 2792.1 1.59

CAPE FLORIDA AND

KEY BISCAYNE BAY.
Cape Florida Station ... ---. 25 39 52.18 0 0000-00 ||------------------------------------------|-------------------------------------------
Cape Florida Light-house ... 2539 55.85 W.0 00 00.41 || 354 12 13 Cape Florida Station.....--. 174 12 13 113.6 124.2 0.07
Soldier Key--------------- 25 35 23.23 0 00 18-22 || 183 30 49 Cape Florida St.------------ 3 30 57 8291.1 9066.9 5.15
Elliott's Beach------------- 25 41 22.18 W.0 05 36.66 286 24 58 Cape Florida St. ...--------. 106 27 24 9786.8 10702.6 6.08
321 10 35 Soldier Key ---------------- 141 12 35 14172.5 15498.6 8.81
Key Biscayne-------------- 25 42 36.54 E. 0 00 13.73 4 19 42 Cape Florida St. ...--------. 184 19 36 5071.9 5546.5 3.15
76 50 11 Elliott's Beach-------------- 256 47 39 10032.2 | 10970.9 6.23

[graphic]

Name of station. Latitude. Longitude. Azimuth. To station— Back azimuth. Distance. Distance. Distance. o or o , of * o or ' " | Mars. yards. Miles.

Bear Cut------------------ 25 44 08.93 E. 0 00 39.98 8 02 01 Cape Florida St............. 18801 45 7978.4 8724.9 4.96
63 58 36 Elliott's Beach..... - - - - - - - - - 243 55 54 * 11685.4 12778.8 7.26

Shoal Point --------------- 25 38 18.35 W.0 06 52.97 || 255 54 10 Cape Florida St.------------ 75 57 09 11873.8 12984.8 7.38
200 37 00 Elliott's Beach ------------- 20 37 33 6043.5 6609-6 3.76

Pearl Oyster Bank......... 25 38 39.55 0 01 56.67 235 30 25 Cape Florida St.-----------. 55 31 16 3947.4 4316.8 2.45
129 13 10 Elliott's Beach ------------- 309 11 35 7916.5 8657.3 4.92

West Point ---------"------- 25 42 36.61 0 01. 15.60 72 32 51 Elliott's Beach - ...---------- 252 30 58 7629.5 8343.4 4.74
8 55 29 Pearl Oyster Bank.--------. 188 55 11 7383.7 8074.6 4.59

Cormorant Point ----------- 25 44 14-10 0 03 30.28 33 40 01 Elliott's Beach . .----------. 213 39 06 6385.7 6983.2 3.97
308 37 24 West Point.---------------- 128 38 23 4805.3 5254.9 2.99

Lewis Point.-------------- 25 45 26.00 0 02 02.02 38 34 54 Elliott's Beach. -----------. 218 33 20 9595.8 || 10493.6 5.96
346 03 36 West Point.---------------- 166 03 56 o 5873.0 3.34

Northwest Point...--------. 25 43 33.67 0 00 10.15 46 06 40 West Point.---------------- 226 06 12 25:1.7 2768-6 1.57
- - - - - - - - - - - - - - Cormorant Point.-----------|-------------- 5715-0 6249.8 3.55

Miami-------------------- 25 40 15.64 0 01 55.49 350 37 45 West Point.---------------- 170 38 06 6830.8 7470.0 4.24
329 29 52 Northwest Point -----------. 149 30 38 5784.8 6326.1 3.60

Miami Channel Mark....... 25 45 00-01 0 01 46.70 || 348 52 57 West Point.--------------- 168 53 11 4497.0 4917.8 2.79
314 38 08 Northwest Point............ 134 38 50 3782.0 4135.9 2.35

Virginia Key -------------. 25 44 10.38 0 00 19.99 28 14 41 West Point.---------------. 208 14 17 3275.5 3582.0 2.04
346 21 31 Northwest Point.----------. 166 21 35 1163.2 1272.0 0.72

Southwest Point........... 25, 41 06.00 W.0 01. 17.65 9:5 to so, Elliott's Beach ------------- 273 55 43 7238.1 7015.4 4.50
18-1 10 4-2 West l'oint.----...- - - - - - - - - 1 10 43 2788-g 3049.5 1.73

United States Coast Survey.—Geographical Positions. Section VI-Key Biscayne Bay. Sketch F.

-
Name of station. Latitude. Longitude. Azimuth. To station— Back azimuth. Distance. Distance. Distance
- * ar O r or o of o a ra Metres. Yards. Miles.
Beasley------------------- 25 43 18.94 W.0 05 17.44 305 41 34 Cape Florida St.------...--. 125 43 51 10899.5 11919.4 6.77
- 278 01 30 Key Biscayne--------------- 98 03 54 9322.7 | 10195.0 5.79
Channel Barrel, (C. Florida). 25.40 20.73 0 01. 40.05 || 106 00 25 Elliott's Beach-------------- 285 58 43 6862.7 7504.9 4-26
189 15, 29 West Point.--------------. 9 15 40 4236.1 4632.5 2.63
Channel Stake, (C. Florida). 2539 42.72 0 00 31.03 || 251 24 10 Cape Florida St.------------ 71 24 23 912.8 998.2 0.57
109 46 18 Elliott's Beach....---------. 289 44 06 9054.6 9901.8 5.63
Middle Bank -------------. 25 37 40.89 0 00 19.28 187 34 55 Cape Florida St...---------- 7 35 03 4075-6 4457.0 2.53
359 35 54 Soldier Key ---------------- 179 35 53 4235.7 4632.0 2.63
James' Creek-------------- 25 39 37.11 0 06 34.66 206 34 25 Elliott's Beach-------------. 26 24 50 3614.8 3953.0 2.25
267 33 49 Cape Florida St.------------- 87 36 40 11015.2 | 12045.9 6.84
Sands Point.--------------- 25 30 08.37 0 02 02.88 19646 24 Soldier Key ---------------- 16 47 09 101.19.1 || 11066.0 6.29
151 46 52 Shoal Point ---------------- 331 44 47 17113.1 18714.3 10.63
Black Point --------------- 25 32 0.7.51 0 09. 27.60 286 25 24 Sands' Point---------------- 106 28 36 12946.4 || 14157.8 8.04
200 42 10 Shoal Point----------------- 20 43 17 12199.1 || 13340.6 7.58
Black Ledge -------------- 25 35 27.89 0 05 22.81 || 330 24 24 Sands Point---------------- 150 25 50 11305.2 12363.0 7.02
47 56 58 Black Point ---------------- 227 55 13 9202.5 10063.6 5.72
Hunting Grounds.--------- 25 34 05.25 0 08 47.91 260 23 37 Soldier Key ---------------- 80 27 17 14424.1 15773.9 8.96
302 47 03 Sands' Point.--------------- 122 49 58 13452.7 14711.5 8.36
Ragged Key, No. 1.--...--- 25 32 30.69 0 00 49 68 189 23 15 Soldier Key 9 23 30 5380.6 5884.1 3.34
87-12 21 Black Point 267 08 38 14475.4 || 15829.9 8.99
West Featherbed Bank..... 25 31 12.90 W.0 06 04.53 231 26 00 Soldier Key ---------------- 51 28 29 12360.7 13517.3 7.68
- - 286 22 44 Sands' Point......... --...--| 106 24 29 7034.5 7692.7 4-37

A

[graphic]
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