Volume 1871, Number 2 (1871)
Volume 9, no.2, 1871
Notes on the Early History of Pottawattamie County p. 523-533
D. C. Bloomer
The Magnesian Limestone of Iowa As a Building Stone p. 534-536
J. E. Griffith
Edited by Frederick Lloyd.
Published by the State Historical Society, Iowa City.