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Bird day in the schools
Soils of the United States and their use-- VII. The Hagerstown loam
Manganese as a fertilizer
Soils of the eastern United States and their use-- XXIX. The Crowley silt loam
Soils of the eastern United States and their use-- IX. The Miami clay loam
Soils of the eastern United States and their use-- XXXVI. The Volusia silt loam
Soils of the eastern United States and their use-- XXVII. The Houston black clay
Soils of the eastern United States and their use-- XXI. The Norfolk sand
Soils of Pender County, North Carolina: a preliminary report
Private forestry
