ALPHABETICAL LIST OF OWNERS OR MANAGERS--Continued No. 141 MICHIGAN ATLANTIC CORP., 60 East 42nd St., New York, N.Y. : M. S. Michigan No. 142 MICHIGAN LIMESTONE &-CHEMICAL CO., 170 E. Woodward Ave., Phone 181, Rogers City, Mich. Tug Central Tug Rogers City aug Keilars, F. T. No. 143 MIDLAND STEAMSHIP LINE, INC., Baird Tewksbury, Pres., J. J. Freitus, Mgr., Terminal Tower, Phone Cherry 4723, Cleveland, Ohio. Str. Str. Str. Str. Str. Butler, Hazen Gallagher, Michael Jenkins, C. O. Macoubrey, J. H. Pollock, W. G. str. Saunders, Jr., E. N. Butler Steamship Co. str. Thompson, C. A. No. 144 MIDWEST VESSEL CORP., Tracey H. Duncan, Treas., 1970 Union Commerce Bldg., Main 1117, Cleveland, Ohio.: Str. Sandcraft Str. Sandmaster Str. J. R. Sensibar No. 147 MOHAWK NAVIGATION CO., LTD., R. A. Campbell, Mgr., Capt. W. B. Donnelly, Supt., 635 Common St., Phone Marquette 8383, Montreal, Que. Str. Secord, Captain C. D. Str. Shaughnessy, Sir Thomas Bge. Krupp, Alfred . 149 MORTON SALT CO., R. K. Warren, Treas. & Pur. Agt., a 310 S. Michigan St., Phone Wabash 8200, Chicago, Ill. Str. Covalt 149A MT. CLEMENS COAL & DOCK CO., Mt. Clemens, Mich. Bge. Doville, R. E. Tug Ethel No. No. 150 NATIONAL SAND & MATERIAL CO., LTD., G. G. Robin- son, Mer., W. M. Edington, Supt., Harbor Comm. Bldg., Phone Elgin 5432, Toronto, Ont. Str. Dick, Charles Str. Dick, Baxter No. 151 NEWAYGO TUG LINE, INC., Geo. C. Schneider, Vice Pres., 221 No. La Salle St., Chicago, Ill., H. S. Mosher, Mer., Public Utilities Bldg., Phone North 252, Pt. Arthur, Ont. Tug Butterfield Scow Newaygo No. 152 NIAGARA, ST. CATHERINES & TORONTO RY. CO., LTD., CANADIAN NATIONAL STEAMERS, J. R. Empringham, Supt., Geneva St., St. Catherines, Ont. Str. Northumberland Dalhousie Nav. Co., Ltd. Str. Dalhousie City 112