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nd . Up and Down the Great Lakes Passenger Traffic Unusually Heav Harbor Development at Chicago — Great Lakes this season is sur-- S ce passenger traffic on the prisingly heavy, surpassing even the early season expectations on Mem- orial day when several lines reported records for early season travel. Esti- mates now are that 1,500,000 passen- gers will travel on lake steamers ply- ing Lake Michigan this summer, as compared with less than 1,000,000 in recent years. The popularity of lake passenger traffic is due in part to the reduction of 20 per cent in passenger fares for the summer by a number of lake pas- senger steamship lines, and also to the early advent of hot weather in many localities. All lake passenger boats were in service for the season by the Fourth of July. The seven-day cruises have become unusually popular this season, as indicated by bookings. Great Lakes Transit Corp., which has shifted its vessel, Tronesta, from Buffalo-Du- luth service to a route between Chi- cago and Milwaukee to Buffalo and Niagara Falls, has found the added service meeting a popular response. Another added service on the lakes is the Chicago-Muskegon run of the Michigan Transit Corp., operating the steamships PurrrAN and MaAnrrouv. These boats make early evening trips between Chicago and the Michigan re- sort. Detroit & Cleveland Navigation Co. opened its schedule on July 2 with the EAsTern STATES and WESTERN Srates plying between Chicago and Detroit by way of St. Ignace and Mac- kinac Island. Three additional ves- sels have been placed in service by the Goodrich Transit Co. for the summer season. They are the flag ship, ALa- BAMA, the Ciry oF GRAND Rapips and the City oF HOLLAND. The 2000 mile voyages of the NortH AMERICAN and SoutH AMERICAN, of the Chicago, Duluth & Georgian Bay Tran- sit Co. also were started early in July. As in recent years, a Tuesday and Thursday schedule from Chicago will touch at Mackinac Island, Georgian Bay, several Canadian points, Detroit, Cleveland and Buffalo. Ore Movement Still Off According to report of the Lake Su- perior Iron Ore association, July 1, the movement of iron ore from the upper lakes during June dropped 55.98 per cent below the figure for the same month last year. Shipments for June this year totaled 76 3,808,043 tons as compared with 8,650,- 441 tons for the same month a year ago. To July 1 this season, only 5,758.- 259 tons have been shipped from ports on the upper Lakes as against 15,737,- 573 tons for the same period in 1930. This figure represents a drop of 63.44 per cent. A comparison between the May and June figures for this year shows that during the latter month, the movement gained over 50 per cent, the figure for May having been 1,769,- 295. Movement of ore from Lake Erie docks to interior furnaces is going ahead proportionally to the lake move- ment. During June 30,409 cars were shipped as compared with 68,412 moved for the month last year. June Lake Levels The United States Lake survey re- ports the monthly mean stages of the Great Lakes for the month of June as follows: Feet above Lakes mean sea level Superior M ch?oeon-Huron St. Clalit soe ancien Lake Superior was 0.24 foot higher than in May and it was 0 59 foot lower than the June stage of a year ago. Lakes Michigan-Huron were 0.06 foot higher than in May and they were 1.89 feet lower than the June stage of a year ago. Lake Erie was 0.13 foot higher than in May and it was 2.18 feet lower than the June stage of a year ago. Lake Ontario was 0.30 foot higher than in May and it was 2.68 feet low- er than the June stage of a year ago, 1.13 feet below the average stage of June of the last ten years. ChicagoHarborDevelopment Lake Calumet, just off Lake Michi- gan in the South Chicago industrial district, is the best location in that region for barge-to-rail interchange and also is the best location in the Chicago region for future development of large industries receiving or ship- ping commodities and products by barge, it is found by the Chicago as- sociation of commerce, in its plan re- cently submitted to the new Chicago regional port commission for harbor development at Chicago. The associa- tion’s report asks for a harbor at Chi- cago adequate to handle almost any MARINE REeview—August, 1931 y — Ore Movement Still Off — Lake Levels — More Boats Operating — Mobile Radio Beacon =—= type of deep-water shipping available. The plan suggests to the regional port commission the transfer to the United States government of jurisdic- tion of that portion of Lake Calumet lying south of 122nd street, Chicago, subject to the provision that the fed- eral authorities undertake improve- ment of this portion of the lake within a period of five years. The report of the association points out that the reclamation of submerged lands in Lake Calumet will afford sites for in- dustries requiring water for industrial purposes only. More Boats in Operation Statistics compiled by the M. A. Hanna Co., Cleveland, indicate that there was a 10 per cent increase in the number of ore carriers in commis- sion on the Lakes between June 10 and July 23. A total of 198 vessels or 60 per cent of the fleet are now in operation. The feeling is that with this percentage ‘of the ore carrying fleet in service there will be some pick up in the movement of ore. How- ever, until conditions improve in the steel industry, it is hardly to be ex- pected that any great increase will re- sult in the lake movement since the demand of interior furnaces deter- mines the amount of ore carried. On July 10, the Pittsburgh Con- neaut Dock Co. set a new all-time rec- ord for dumping bituminous coal by loading 152 cars of cargo and fuel coal into the steamer W. B. Scuiter in three hours and 30 minutes. Loading of the vessel began at 12:00 noon and was completed at 3:30 p.m. A total of 11,793 tons were dumped of which 11,543 tons were cargo and 250 tons fuel coal. The average number of cars dumped per hour was 43. The previous record was established in 1921 by the steamer D. G. Kerr. Test Mobile Radio Beacon To determine the practicability of the use of mobile radio beacons on the Great Lakes, a test is being conducted by the United States Lighthouse serv- ice which has installed a piece of this equipment on the steamer JamEes Mac- NavuGutTon. The radio transmitter is capable of sending signals at a fre- quency of 484 kilocycles. Radio-com- passes on other vessels are able to pick up these signals.