Here are a few videos on the Hawk’s Nest Mining Disaster:
Witness at Hawk’s Nest (this one is dramatic; it is based on the novel of the same name and published by West Virginia University Public Health)
Two videos from the US Department of Labor: 2013 “Deadly Dust” Silica (“statistics are people with the tears washed off”) and “Stop Silicosis” (this opens with a report from the late 1930’s and testimony from a man in Woodhaven, MI). The original “Stop Silicosis” film from 1938 can be found here.
For further context, here’s an overview of 1930’s America.