Open AccessDuck Food Plants of the Illinois River Valley
Author(s) -
Frank C. Bellrose
Publication year - 1941
Publication title -
illinois natural history survey bulletin/bulletin - illinois natural history survey
Language(s) - English
Resource type - Journals
eISSN - 2644-0687
pISSN - 0073-4918
DOI - 10.21900/j.inhs.v21.265
Subject(s) - river valley , natural (archaeology) , geography , archaeology , hydrology (agriculture) , fishery , geology , biology , geotechnical engineering
For the past 5 years the necessity for improvement of natural food beds in the Illinois River valley has been apparent.