Author
United States. National Park Service. Natural Resource Stewardship and Science,
4
Natural Resource Program Center (U.S.),
3
Sullivan, Timothy J. 1950-
2
Thornberry, Trista L.,
2
United States. National Park Service. Geologic Resources Division,
2
Davis, Andy D.,
1
Dorr, Jessica L.,
1
Patterson, Matt E.,
1
Shamblin, Robert B.,
1
Vargas, Rachel M.,
1
Whelan, Kevin R. T.,
1
Zarillo, Kim A.,
1