R. V. Rourke
Chemical and physical properties of the Allagash, Hermon, Howland, and Marlow soil mapping units
Chemical and physical properties of the Aurelie, Burnham, Easton, Lille, Linneus, Monadnock, Nicholville, and Tunbridge soil map units
Chemical and physical properties of the Bangor, Dixmont, Caribou, Conant, Perham, and Daigle soil mapping units
Chemical and physical properties of the Danforth, Elliottsville, Peacham and Penquis soil map units
Chemical and physical properties of the Mapleton, Monson, Saddleback, and Sisk soil map units