An embankment wall construction and a method for constructing the same in which the construction includes a base, a sloping wall formed of a plurality of precast modular units assembled in rows with each row setback from an adjacent lower row to form a slope angle of 30.degree. to 75.degree.. The present...http://www.google.com.au/patents/US5551809?utm_source=gb-gplus-sharePatent US5551809 - Embankment wall construction and method and block construction for making the same
