Horizon

Scientists differ on whether sites should be underground in a lunar crater or “ocean” or if they should be blasted out of the sides of mountains.

The Next Fifty Years On The Moon
by Erik Bergaust
G.P. Putnam’s Sons, 1974

Image credit: United States Army
Image source: Numbers Station

First-Stage Lunar Base

First-stage lunar base. This is the type of shelter proposed for the construction crew responsible for building permanent quarters.

The Next Fifty Years On The Moon
by Erik Bergaust
G.P. Putnam’s Sons, 1974

Image credit: Boeing
Image source: Numbers Station

Lunar Base by J.J. Olson

A combine of three lunar shelters provides adequate quarters for a construction of eighteen men. It will take many years to complete a major moon colony for 100 or more men-and women.

The Next Fifty Years On The Moon
by Erik Bergaust
G.P. Putnam’s Sons, 1974

Image credit: Boeing
Image source: Numbers Station