The first saw mill, as already noted, was completed in 1850. It was known as Purinton's saw mill. Other saw mills were built, but destroyed by fire. We have no record of ownership and losses, but estimate the aggregate of the latter as near $100,000. The Willow River mills, built in 1867, consist of two flouring mills, with a capacity of four hundred barrels per day. Connected with these are a large elevator and cooper shop. The present proprietors are Cooper, Clark & Co. The invested capital is $150,000. The Hudson Lumber Company, in 1883, built a saw mill, below the steamboat landing. This mill has a capacity of 18,000,000 feet per annum, and has a planing mill attached. It is complete in all its departments, manufacturing all classes of lumber, from timber to mouldings. The capital stock amounts to $100,000. The officers are H. A. Taylor, president; C. R. Coon, vice president; M. Herrick, secretary; F. D. Harding, treasurer; S. W. Pierce, superintendent. The Hudson Foundry and Machine Shop was established in 1870. The North Hudson Foundry and Car Shops are doing a fine business. The Hudson Carriage Works were established in 1885, and the Hudson Furniture Manufactory in 1883. The amount invested in this enterprise is $180,000, and it furnishes employment to one hundred men. C. R. Coon is president of the company. There are two breweries--Moctreman's, established in 1857, and Yoerg's in 1870. BANKS. The St. Croix Valley Bank was organized in 1855. It was a bank of issue, payable at Gordon, Wisconsin. It closed in 1857. The Hudson City Bank, organized Sept. 10, 1856, went into operation under the general law of Wisconsin, capital stock $25,000, secured by Michigan and Missouri state stocks. J. O. Henning was president and M. S. Gibson, cashier. It soon closed. The Farmers and Mechanics Bank, a state bank, went into operation in 1857 and closed the following year. The Hudson First National Bank was organized in 1863, with a capital of $50,000. The first officers were John Comstock, president; Alfred J. Goss, cashier. The officers in 1888 are John Comstock, president; A. E. Jefferson, cashier. The surplus fund is $53,000. The directors are H. A. Taylor, H. L. Humphrey, John C. Spooner, A. L. Clark, F. D. Harding, A. T. Goss, and W. H. Crowe. The Hudson Savings Bank was organized in 1870, with a capital stock of $50,000. Alfred Goss, president; A. J. Goss, cashier. Alfred Goss died in 187--, but the bank is in successful operation, the son still retaining his father's name as head of the firm. THE OLIVER WENDELL HOLMES HOSPITAL. [Illustration: OLIVER WENDELL HOLMES HOSPITAL.]