The Time Cave

From Author Wars - https://authorwars.com/books/the-time-cave-1058926.html

Overview:

Title: The Time Cave
Author: uncredited
Year: 1950
Type: Interior Art

Editions/Publications:

Unknown. Thrilling Wonder Stories, April 1950 (Unknown, uncredited, Standard Magazines, Inc., $0.25, 164 pages, pulp, MAGAZINE)