Although the Grand Canyon National Park is a globally significant natural landmark managed under a mandate to manage natural ecosystems in accordance with ecological principles (Final Master Plan cited in Fire Management Plan 1992), many Park forests are dense with fire-susceptible trees (Fire Management Plan 1992, White and Vankat 1993).
(the Grand Canyon National Park; is; a globally significant natural landmark managed under a mandate) (a globally significant natural landmark; managed; L:under a mandate) (Final Master Plan; cited; L:in Fire Management Plan 1992) (many Park forests; are; dense with fire-susceptible trees (Fire Management Plan 1992, White and Vankat 1993) (Park; [is] National [of]; Grand Canyon)
the Grand Canyon National Park a globally significant natural landmark Final Master Plan many Park forests Park
is managed cited are [is] National [of]
a globally significant natural landmark managed under a mandate
L:under a mandate
L:in Fire Management Plan 1992
dense with fire-susceptible trees (Fire Management Plan 1992, White and Vankat 1993
Grand Canyon