Who said "The middle west speaks in a language of earth and sky."?

This quote is attributed to Carl Sandburg.

The middle west speaks in a language of earth and sky. - Carl Sandburg

"The middle west speaks in a language of earth and sky."

Carl Sandburg Nature

Poet American 1878–1967

"I am the people—the mob—the crowd—the mass."

"Life is like an onion; you peel off one layer at a time and sometimes you weep."

"Nothing happens unless first we dream."

"I have always been ahead of my time."

"Nature teaches us about beauty."

"Nature teaches us patience and wisdom"

"Sometimes it snows in April."

"Every town has a soul, and Twin Peaks has a troubled one."