"Artillery on the march requires strict discipline and close supervision. There is no greater evidence of the training and discipline of a unit than its conduct on the march."
"The ability to locate a point accurately on a mpa or on the ground is a basic skill which all artillerymen must acquire in order that rapid, accurate fire can be placed on a target. This program of instruction is designed to enable you to meet...
United States Works Progress Administration (New York, N.Y.)
Tables of grid coordinates ... computed ... by the Project for the computation of mathematical tables ... The basic formulas upon which the tables have been developed are from Special publication no. 59, U.S. Coast & Geodetic Survey.--Pref.
"The purpose of this 1941 manual is to present in simplified form necessary information for instruction of all military personnel in elementary map and aerial photograph reading."