Although Mountains May Guide Migrations,

It Will Be A Vast Boon To Mankind When We Learn To Prophesy The Precise Dates When Cycles Of Various Kinds Will Reach Definite Stages.

In America The Most Widespread Type Of Forest Is The Evergreen Coniferous Woodland Of The North.

Year By Year We Are Learning That In This Restless, Strenuous American Life Of Ours Vacations Are Essential.

Although Mountains May Guide Migrations, The Plains Are The Regions Where People Dwell In Greatest Numbers.

Except On Their Southern Borders The Great Northern Forests Are Not Good As A Permanent Home For Man.