Caption on image: "Miocene ditch round Cape Horn" Original image in Hegg Album 29, page 15 . Original photograph by Eric A. Hegg 1642; copied by Webster and Stevens 412.A Nome Gold Rush. *Subjects (LCTGM): Canals--Alaska--Seward Peninsula; Cliffs--Alaska--Seward Peninsula *Subjects (LCSH): Miocene Ditch (Alaska); Alaska--Nome--Gold discoveries; Cape Horn (Seward Peninsula, Alaska)