|style=" background-color: none;"| <small>Some of this work is in the [[Public Domain]] in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the U.S. Code</small>
|style="background-color: none;border-top: 2px solid black"| <small>File available from the {{{1|[[United States Federal Government]] [http://www.nps.gov/frsp/wildspot.htm]</small>}}}.