References in periodicals archive ?
Singer MJ, Blackard J (1982) Slope angle-interill soil loss relationships for slopes up to 50%.
Generally, geocells can be filled with topsoil on slopes up to 45 [degrees] (1:1), however, topsoil has been used with single layer geocells on slopes as steep as 65 to 70 [degrees] (0.4 to 0.5:1).