- Iowa Geological Survey, Vol. XIII. Annual report, 1902, with accompanying papers.

1903, 446 pp. 73 fig. 10 plts. 11 fold. & col. geol. maps of counties: Howard (2x), Kossuth, Hancock, Winnebago, Mills, fremont, Tama, Chickasaw, Mitchell, and Monroe. Orig. wrappers with libr. stamp, ends of spine just slightly worn, contents very good.