In this fourth column, we continue our interview with Mr. Stephen Hayden former manager of the Keystone Cement Company in Bath. Stephen and his father gave 68 years of service to the local plant.

Today we are sharing some rare Keystone Cement Company photographs from some of their early projects. The photos depict a few of the many locations where Keystone Cement products were used in the early years.

Most of these photographs have never been published.

The photos come from Mr. Hayden's treasure of memories. Many are from the year 1928, a photo essay from the past!

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Much more in two weeks.