. . . . . . . . . "A geological reconnoissance of the state of Tennessee; being the authors̀• first biennial report. Presented to the thirty-first General assembly of Tennessee, December, 1855" . . . . "A geological reconnoissance of the state of Tennessee being the author's first biennial report. Presented to the thirty-first General assembly of Tennessee, December, 1855"@en . . . . "A geological reconnoissance of the state of Tennessee being the authors̀• first biennial report. Presented to the thirty-first General assembly of Tennessee, December, 1855"@en . . . .