In the January number of Science Bulletin there were offered some suggestions concerning the study of trees in winter. During the spring there are many opportunities to pursue further interesting and profitable studies.
©1929 by Iowa State Teachers College
Clark, O. R.
"Spring Study of Trees,"
Science Bulletin: Vol. 1:
6, Article 5.
Available at: https://scholarworks.uni.edu/science_bulletin/vol1/iss6/5