Date: 1881
A. Pray & Co.; the LTnion Iron Works, J. E. Lockwood & Co.; Gregor Menzel & Company; and the Northwestern Stove Works, John Briggs built his shingle-mill on Water Street, corner Tenth Avenue north-east, in the spring of 1880, and commenced operations in June.  The structure is 22 x 75 feet, is operated by a forty horse-power engine, and employs seven men to run it.  The machinery consists of one shingle-machine, and another will be added.