|
Series: | CRS report ; R43248. |
Publisher:
|
[Washington, D.C.] : Congressional Research Service, [2018?]- |
Edition:
|
[Library of Congress public edition]. |
Phys. Desc.:
|
1 online resource.
|
Digital Content
|
Click for online content. |
|
|
Series: | Natural resources report ; 2015/970. |
Publisher:
|
Fort Collins, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2015. |
Phys. Desc.:
|
1 online resource (v, 12 pages) : color illustrations, color maps.
|
Digital Content
|
Click for online content. |
|