National parks and wildlife management Afghanistan : a contribution to a conservation strategy 1981 Sayer, Jeffrey | van der Zon, A. P. M. |
Goat management problems in Hawaii Volcanoes national park : a history, analysis, and management plan 1972 Baker, James K. | Reeser, Donald W. |
Nonresident big game hunting and the guiding industry in British Columbia : an economic study 1968 Bowden, Gary | Pearse, Peter H. |
Informe de la reunion sobre areas protegidas en la zona Maya (Yax molay utial canan lu'um) 1991 Gómez-Pompa, Arturo | Plummer, O. E. |
Population estimates and distribution of barren-ground caribou in Mackenzie District, NWT, Saskatchewan, and Alberta - march to may, 1967 1969 Thomas, Donald C. |
Surveys and demonstration for the management and development of Trisuli Watershed 1969 Caughley, Graeme |