L.E. Armstrong Begins Drilling for Gypsum
The Fort Dodge Messenger: April 18, 1903 L.E. Armstrong Begins Drilling for Gypsum Is Prospecting Land With View to Determining Location of New Mill. Drilling for gypsum has begun on the land southeast...
View ArticleMine is Lighted by Electricity
The Fort Dodge Messenger: July 1, 1903 Mine is Lighted by Electricity United States Gypsum Company Inaugrates (sic) Improvement at Mineral City Mill. Is Running Day and Night. Both Mill and Mine are...
View ArticlePlymouth Gypsum Company Organized
The Fort Dodge Messenger: July 2, 1903 Plymouth Gypsum Company Organized New $200,000 Corporation Will Build Large Mill and Enter the Market for Business. Capacity 400 Tons 24 Hours. L.E. Armstrong,...
View ArticleBusiness Dull at Gypsum Mills
The Fort Dodge Messenger: July 15, 1904 Business Dull at Gypsum Mills Four Out of Nine Shut Down – Others Running on Half Time. Stagnation Reigns Supreme Prospects for Fall Business Nevertheless Good –...
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