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Oblique bedding with beds dipping northeast, LeClaire, Iowa, late 1890s or early 1900s

Oblique bedding with beds dipping northeast, LeClaire, Iowa, late 1890s or early 1900s

Located one-half mile south of LeClaire.

Oblique bedding at Sugar Creek lime quarries, Sugar Creek, Iowa, late 1890s or early 1900s

Oblique bedding at Sugar Creek lime quarries, Sugar Creek, Iowa, late 1890s or early 1900s

Man standing by oblique bedding in Sugar Creek lime quarries, Sugar Creek, Iowa, late 1890s or early 1900s

Man standing by oblique bedding in Sugar Creek lime quarries, Sugar Creek, Iowa, late 1890s or early 1900s

Masses in situ on plain underlain by Buchanan gravels, Manchester, Iowa, late 1890s or early 1900s

Masses in situ on plain underlain by Buchanan gravels, Manchester, Iowa, late 1890s or early 1900s

Thin bedding with dip northeast. Heavy beds at base of section containing Dinobolus conradi Hall and many casts of small individuals of Atrypa reticularis, Linne, Iowa, late 1890s or early 1900s

Thin bedding with dip northeast. Heavy beds at base of section containing Dinobolus conradi Hall and many casts of small individuals of Atrypa reticularis, Linne, Iowa, late 1890s or early 1900s

Thin bedded and the heavy beds at base of section contain Dinobolus conradi Hall and numerous casts of Atrypa reticularis, Linne, Iowa, late 1890s or early 1900s

Thin bedded and the heavy beds at base of section contain Dinobolus conradi Hall and numerous casts of Atrypa reticularis, Linne, Iowa, late 1890s or early 1900s

Lime quarry, Cedar Valley, Iowa, late 1890s or early 1900s

Lime quarry, Cedar Valley, Iowa, late 1890s or early 1900s

Lime quarry, Cedar Valley, Iowa, late 1890s or early 1900s

Lime quarry, Cedar Valley, Iowa, late 1890s or early 1900s

Anamosa Stage, Cedar Bluff, Iowa, late 1890s or early 1900s

Anamosa Stage, Cedar Bluff, Iowa, late 1890s or early 1900s

Blocks from basal ledges, creeping down slopes of Maquoketa Shales, Epworth, Iowa, late 1890s or early 1900s

Blocks from basal ledges, creeping down slopes of Maquoketa Shales, Epworth, Iowa, late 1890s or early 1900s

Located north of Epworth.