1. Solid Waste Management Units Report -- Vol. III of IV Document(s) Author: Robert L. Gonzales Number: ESHID-603326-03 ; 1991
2. Solid Waste Management Units Report -- Vol. I of IV Document(s) Author: Robert L. Gonzales Number: ESHID-603326-01 ; 1991
3. Solid Waste Management Units Report -- Vol. II of IV Document(s) Author: Robert L. Gonzales Number: ESHID-603326-02 ; 1991