Engineers did not discover insulation: they copied it from these old soldiers of the prairie war.


April: Bur Oak, p. 27. - A Sand County Almanac, 1949 - "April: Come High Water," "April: Draba," "April: Bur Oak," & "April:Sky Dance"

Aldo Leopold Quotes

Engineers did not discover insulation: they copied it from these old soldiers of the prairie war.

Engineers did not discover insulation: they copied it from these old soldiers of the prairie war.

Engineers did not discover insulation: they copied it from these old soldiers of the prairie war.

Engineers did not discover insulation: they copied it from these old soldiers of the prairie war.