Statistics for occurrence #1 of “Commodore Foote” in page 621 of Official Records of the Union and Confederate Armies, Chapter XXII: Operations in Kentucky, Tennessee, North Mississippi, North Alabama, and Southwest Virginia. March 4-June 10, 1862., Part II: Correspondence, Orders, and Returns.:
...eut. W. Mcgunnigle, U. S. N.:
dear sir: The following brief account of my proceedings in the preparation of extempore steam-rams will, I think, enable you to respond to the inquiries contained in Commodore Foote 's letter of instructions to you:
I was instructed by the Secretary of War, March 27, to proceed immediately
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