HISTORY OF ALPENA COUNTY AFTER 1870 BY WILLIAM BOULTON IN 1876
The danger in the shallow wells and mere surface spring being more from organic matter than from the lime or magnesia salts. It is now admitted that waters containing mineral matter are better for the health of parties than filtered rain water. "
Alpena Magnetic Spring comes from a depth of 900 feet in the rock, and all the superficial streams have been shut off by tubing, consequently it is a true artesian well, and also a true magnetic spring. The following is Prof. Duffield's analysis of the water:
Specific gravity ............ 1. 012
Bicarbonate of soda ........ 15, 736
Bicarbonate of lime ........ 55, 136
Bicarbonate of magnesia ..... 62, 920
Bicarbonate of iron........... 1. 840
Sulphate of lime ............ 30.056
Silica and aluminum ........ 3, 088
Chloride sodium (salt) ... 68. 256
Organic matter and loss ..... 928 237, 960
Total mineral constituents, 237, 032 grains. Sulphuretted hydrogen gas, 3. 91 cubic inches; carbonic acid gas, a trace. These exist in greater quantities at the well, and should be tested there.
In connection with the spring it may not be amiss to give a few particulars concerning the Fletcher House. We take the following from the Saginaw Valley and Lake Shore Business Gazetteer and Directory:
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