Quality and Value of Important Types of Peat Material: A Classification of Peat Based Upon Its Botanical Composition and Physical and Chemical Characteristics, Volumes 801-825
Alfred Paul Dachnowski-Stokes · Arnold Parker Sturtevant · Arthur John Ackerman · Gershom Franklin White · Harris Perley Gould · James Minor Workman · Roy Elliott Campbell · Roy Wilson Hilts · William Jeter Phillips · Frank Andrews · Robert Sullivan Hollingshead
Jan 1922 · U.S. Department of Agriculture