Soil erosion and conservation
by S. A. El-Swaify, William C. Moldenhauer
ÉrosionSoil conservationCongrèsSediment controlContrôleConservationSoil erosionCongresses
Writing a summary for young readers…
For young readers
Book data: Open Library
by S. A. El-Swaify, William C. Moldenhauer
Book data: Open Library