Two quarries known as the Midwest Limestone Quarry and the Hallett Quarry were opened north of Gilmore City. Quicklime and dimension stone production began at least as early as 1882, and was succeeded by cement and aggregate production.An Excursion to the Historic Gilmore City Quarries by Frederick J. Woodson, Geological Society of Iowa publication, Guidebook 50, April 29, 1989. Fossil crinoids were discovered in the quarries 1929.Laudon, L. R., 1933. The stratigraphy and paleontology of the Gilmore City Formation of Iowa. University of Iowa, Studies in Natural History, v. 15, no. 2, 74 p. The Midwest Limestone Quarry is currently known as the Moore Quarry, owned by Martin Marietta Inc.Moore Quarry, Martin Marietta website, accessed 8 November 2021.
two quarries known as the midwest limestone quarry and the hallett quarry were opened north of gilmore city quicklime and dimension stone production began at least as early as 1882 and was succeeded by cement and aggregate productionan excursion to the historic gilmore city quarries by frederick j woodson geological society of iowa publication guidebook 50 april 29 1989 fossil crinoids were discovered in the quarries 1929laudon l r 1933 the stratigraphy and paleontology of the gilmore city formation of iowa university of iowa studies in natural history v 15 no 2 74 p the midwest limestone quarry is currently known as the moore quarry owned by martin marietta incmoore quarry martin marietta website accessed 8 november 2021