The First Observatory

From Author Wars - https://authorwars.com/books/the-first-observatory-111224.html

Overview:

Title: The First Observatory
Author: Monte Rogers
Year: 1974
Type: Interior Art

Editions/Publications:

Unknown. Vertex: The Magazine of Science Fiction, October 1974 (Unknown, Monte Rogers, Mankind Publishing Company, $1.50, 100 pages, quarto, MAGAZINE)