War Department Weather Program.
Collection of eleven covers, incl. one with violet "Central Office Iowa Weather Service Feb. 8 1879" double-circle datestamp hs corner card (reportedly unique)
on front, others are backstamps from Sandusky O., Columbus O., Canfield O., Chicago, Waukegan Ill. (two in magenta), Lansing Mich. (three), all neatly written up on exhibit pages with historical information, usual few faults, Fine-Very Fine and rare group
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