Ancient Monuments of the Mississippi Valley by E. G. Squier and E. H. Davis

3 by E. G. Squier, Squier, E. G. (Ephraim George), 1821-1888, Davis, E. H. (Edwin Hamilton), 1811-1888

Chapter 12: 1. Some of these reports may be published annually, others at longer

Chapters

Chapter 12: 1. Some of these reports may be published annually, others at longer

intervals, as the income of the Institution or the changes in the branches of knowledge may indicate.
17 words