... Madison, 19 87, 18 6. University Press, New York, 19 74, 7. Hackett, Indianapolis, 19 81, 36. Hackett, Indianapolis, 19 81, 36. 10 . Leopold, A., Round River, Oxford University Press, New York, 19 53, ... the larger system - its envi- ronment - of which it is a part (Allen and Starr, 19 82; O’Neil, et al., 19 86; Norton, 19 90). I propose an alternative approach to policy formation which recognizes ... New York, 19 53, 14 8. 11 . Leopold, A., A Sand County Almanac, Ballantine, New York, 19 70, 22 4-2 25. 12 . Leopold, A., A Sand County Almanac, Ballantine, New York, 19 70, 223. 13 . Norton, B.,...