instructional materials
Found in 3 Collections and/or Records:
Field Note No. 14: Pine Trees in Relation to Mosquito Production
, by the U.S. Public Health Service, May 23, 1923
The writer discusses the influence of pine trees on mosquito production.
Memorandum for Preparing an Area for a Pond
, by Henry Rose Carter, circa 1923
Carter discusses ways to modify a pond in order to minimize mosquito infestation.