TY  - BOOK
AU  - Untermann,Richard K.
ED  - American Society of Landscape Architects Foundation.
TI  - Grade easy: an introductory course in the principles and practices of grading and drainage
PY  - 1973///
CY  - McLean, Va.
PB  - American Society of Landscape Architects Foundation
KW  - Landscape architecture
KW  - Soil mechanics
KW  - Drainage
UR  - http://www.archive.org/details/gradeeasyintrodu00unte
UR  - http://www.openlibrary.org/books/OL24226573M
ER  -