Issued December 4, 1907. 



U. S. DEPARTMENT OF AGRICULTURE. 



FOREST SERVICE -Circular 131. 



GIFFORD PINCHOT, Forester. 



PRACTICAL FORESTRY ON 1 SPRUCE TRACT 



IN MAINE. 



By 



AUSTIN CARY, 



COLLABORATOR, FOREST SERVICE. 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1907 



14562— Cir. 131—07 



