aa (oe Ce Co oe fo) ae te] ea) oe ' 4 v4 4 Sores 1 doe Riverview tees) 3 z We, ri A [ Z\> a UW yi To JZ ce A fa FOAL ee) cy i AZ| © A \Al_/, a LS © a IE Te 4 wr suud > L_00 Lah Tie WUE WOUAY Pia bel = al JEEZ il il lo AU ae e x ANCL HOLL LOL ri U. S. ARMY U.S. LAKE SURVEY SURVEY OF THE NORTHERN AND NORTHWESTERN LAKES CHICAGO HARBOR CHART N° 752 1960 POLYCONIC PROJECTION SCALE 1:15.000 DEPTHS IN FEET NOTES COMPARATIVE ELEVATIONS ON LAKE MICHIGAN (referred to Mean Tide at New York; 1935 Datum) Mean stage 1900 -1959. both inclusive as PLANE OF REFERENCE OF THIS CHART (Low Wa! BLUE TINT. Areas wit t, except 'acai are tint SAILING DIRECTIONS. 'ings of sailing cour ar thereon are in statute miles between points of departure. VISIBILITY OF LIGHTS. The visibility of lights is in statute miles when observer's eye is 15 feet above water level. ze amber, Alt - alternating: beacon; C - can, CG - Coast Guard; - fixed, Fi - flashing, Fog Sig - fog u LD - least depth; m - miles; N - nun, doubtful, Pierh - pierhead; Qk - quic! Ra - F Ref - reflector, RGE - range, rky - rocky; S - spar, S-L - short-long, SEC - sector; VS - vertical stripes, vis - visible; W - white, WB SIG STA - Weather Bureau signal station, WHIS - whistle; Y - yellow. GREAT LAKES PILOT. For latest information as to controlling depths in improved harbors consult latest edition of the Great Lakes Pilot, containing descriptions of coasts, harbors, channels, dry docks, canals, bridge clearances, rules and regulations, etc. Copies may be purchased from the U. S. Army Engineer District, Lake Survey. Sailing courses and limits indicated in red are recommended by the Lake Carriers Association and the Dominion Marine Association. CAUTION Airway Beacons that are visible to vessels on the lake are indicated thus: @ Aero Mariners are cautioned not to confuse these beacons with lighted aids to navigation. ae (SL SCALE OF FEET = = = STATUTE MILES Le si METERS =] | 18) 36! $5] 7.3) 91/10.9/12.8/ 146! 16.4) 18 3 1/03) 21/39) 58/76) 9.4)11.3)/13.1)149/167/186) 2106) 24)42/61/79) 9.7/11.6)13.4)152|17 01189 3)09) 27:45) 64! 82) 100/11.9113.7/155)17.3/192 4/12/30) 49) 67 85)103)122/140:158)177,195 5115/33 52/70, 88 106:125114.3/16 1/18.0)198 ES ie Eo ZZ ce] fea os a Oe Zz ae one UL I U LU CL L WOU WH WOW lI CCC IIS 0 LOA aan WZ (seas ee ie . af bo ae ea bs Lt | =] oa UU eee - Cincego Milwaukee St Pe E es A i ZI Die Pee Eo Los Bae! VATA a 3 Nod ir} oy "Enz : Sas. x 3, a 2 =a ies é ee oe = Jez ieee Ye ia ee 2. 2% 18) aN ANGHORAGE GROUNDS OUTLINED IN F 3 \ BNt 26 23) 25 CU me SIO JONOQOOL ct = SNCAREAS AB AND F FOR COMMERCIAL VE SWAREAS C.D.AND E FOR SMALL CRP ~ \ 27 26, \\ 27 FOR REGULATIONS SZE ( Le} \ mes enlaalals Teed ee Co J i Wo A UOC, UG 1 | ea (oso SIE aie Vi | LAAZ IOUS AU COS ON, Ce il WN EE ' : J es te rT 2 t JLUB Si == {I TV MAST Gary Vi yObec | lubeary iy oc, x a iz / s & 5 i i ln j | is I ie Ke ( 4 2 Se Ie fe Vals el 2 é 3-- HOOoont 5 eS é JOQOOUE rc OIUIOOUU! eS = x. 3) x; in' Hy ] 7 (i= Le ne odes Pleysty sen D Hen : = Eads | ae | | ee [Re |e Po te eee er (esl als [el se] [eee Cle Peri ee Soe SAL zee] [rash c T LE Wu Pe Eee | eee eel pe | =| Eo UU ee Seo ee ILI ee) ie ee = Pee ee | mapa rh Pe [ea eee See ltac | cee ae ole ne a eal pe Ee ae ee [eae] ee oeay ls Sagoo ete ee ee 1 Gee) | l i 1 ee sec ocal en ele lero (ele tee oe (oa ee cen seca TS Ao Jt 3 fe ee Ee Pe Bip LESTSEey fi ic 1.