1. Soil erosion and its control Creator: Ayres, Quincy Claude, 1891- Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill, Publication Place: New York : Date: 1936 Format: Book
2. Conservation of the soil Creator: Gustafson, Axel Ferdinand, 1880- Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill, Publication Place: London : Date: 1937 Format: Book
3. Soil conservation Creator: Bennett, Hugh H. 1881-1960. Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill Book Company, Inc., Publication Place: London : Date: 1939 Format: Book
4. Erosional topography and erosion: a mathematical treatment with application to geomorphlogy, soil science, agronomy and engineering, with tables Creator: Little, James Macfarlane, 1885- Collection: Core Historical Literature of Agriculture Publisher: Lithotone printed by A. Carlisle & Co., Publication Place: San Francisco : Date: 1940 Format: Book
5. Our plundered planet Creator: Osborn, Fairfield, 1887-1969. Collection: Core Historical Literature of Agriculture Publisher: Little, Brown, Publication Place: Boston : Date: 1948 Format: Book
6. Erosion on maize field on "flats" below Playa Collection: Vicos Collection Date: 1961-06-26 Format: Image
7. Hillside agriculture Collection: Billie Jean Isbell Andean Collection Set: Vertical ecology of the Andes: Valley Date: 1996 Format: Image