Note 1 — Contributions from The Museum of History and Technology: Paper 2 John Deere's Steel Plow
Reading edition
John Muir (1838-1914), The story of my boyhood and youth, Boston, 1913, pp. 227, 228.
Reading edition
John Muir (1838-1914), The story of my boyhood and youth, Boston, 1913, pp. 227, 228.