Note 537 — Chapter XXIV
Reading edition
Geol. of American Explor. Exped. p. 359, note. Mr. Dana informed me (Sept. 1852), that an angle of 60° instead of 30°, was given by mistake in his work.
Reading edition
Geol. of American Explor. Exped. p. 359, note. Mr. Dana informed me (Sept. 1852), that an angle of 60° instead of 30°, was given by mistake in his work.