id	keyword
inhs-394	area
inhs-394	water
inhs-394	station
inhs-394	species
inhs-394	river
inhs-394	fig
inhs-394	feet
inhs-394	pond
inhs-394	mollusks
inhs-394	marsh
inhs-394	physa
inhs-394	plate
inhs-394	abundant
inhs-394	chicago
inhs-394	small
inhs-394	east
inhs-394	american
inhs-394	succinea
inhs-394	branch
inhs-394	gyrina
inhs-394	summer
inhs-394	spring
inhs-394	skokie
inhs-394	north
inhs-394	ground
inhs-394	trees