Another commissioned piece was the oil on canvas mural, Clearing the Land for the post office in Mercer, Pennsylvania.
Another mural was for the Pascagoula, Mississippi post office, titled Legend of the Singing River and completed in 1939.
[3] Thompson's murals center around subjects of daily life, local history, agriculture, industry, and folklore.
These were suggested topics in the guidelines issued by the Treasury Section of Fine Art's who commissioned Thompson to paint these murals.
The idea of choosing one of these suggested topics was to make the art resonate with the local population who would view it every time they entered the building which housed the mural.