Natural resources management program : An addendum to the Natural Resources Management Plan for Joshua Tree National Monument California
Joshua Tree National Monument. 1982. Natural resources management program : An addendum to the Natural Resources Management Plan for Joshua Tree National Monument California. National Park Service. Joshua Tree National Monument, California
This revised Management Program also includes an updating of several formerly submitted Project Statements. These updatings reflect partially completed studies, experience gained in managing resources, inflationary cost increases, etc.