This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
Air Pollution Report From Linn County Health Dept
A Linn county health department air pollution report covers Sept 25 to Oct 1. It lists six monitoring stations with locations and details on particulate matter and gas concentrations in micrograms per cubic meter and parts per million. Readings show excesses only at specific times, with maxima and exceedance counts for 1975.
MENTIONED IN THIS ARTICLE
Linn County Health Department
First Street
Center Point Road
Council Street
Fourteenth Avenue
Central City
Mt. Vernon