id	keyword
inhs-281	trees
inhs-281	co.
inhs-281	woodlot
inhs-281	species
inhs-281	illinois
inhs-281	growth
inhs-281	logs
inhs-281	posts
inhs-281	acre
inhs-281	soil
inhs-281	coal
inhs-281	feet
inhs-281	years
inhs-281	average
inhs-281	planting
inhs-281	natural
inhs-281	lumber
inhs-281	diameter
inhs-281	conditions
inhs-281	forest
inhs-281	bulletin
inhs-281	table
inhs-281	seed
inhs-281	oak
inhs-281	products
inhs-281	history
inhs-281	timber
inhs-281	ties
inhs-281	chicago
inhs-281	cut
inhs-281	farm
inhs-281	land
inhs-281	inches
inhs-281	seedlings
inhs-281	growing
inhs-281	survey
inhs-281	black
inhs-281	county
inhs-281	coal co.
inhs-281	production
inhs-281	returns
inhs-281	stock
inhs-281	foot
inhs-281	management
inhs-281	stand
inhs-281	cottonwood
inhs-281	cordwood