This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FMIB Smoke from Heated Rocks in Culebra Cut.jpeg Smoke from Heated Rocks in Culebra Cut Subject Culebra Panama Formations Geology Panama Geographic Subject PanamaCulebra Tag Panama Canal Cite book Panama Canal Haskin Frederic Garden City NY Doubleday Page Company Facing page Creator Ernest Red Hallen PDUWASHFMIB Institution University