Historic Alpine Tunnel
By: by Dow Helmers
Publisher: Sage Books
Published: 1963
Place of publication: Denver, Colo
Language: eng
Number of pages: 200
Subjects: Denver, South Park, and Pacific Railroad Company; Narrow gauge railroads -- Colorado; Alpine Tunnel (Colo.)
Notes: "Limited, signed, numbered edition." Also issued in a trade edition

Bibliography: p. 103-104

Includes index

Spec Collection copy is no. 23, signed by the author