Thomas Chambers
(1808 - 1869)
 

Thomas Chambers was an English-born painter who spent most of his life in the United States. He is generally classified as a Primitivist, but has also been called the "First American Modern". Most of his paintings were unsigned, which delayed his recognition.

https://en.wikipedia.org/wiki/Thomas_Chambers_(painter)

The_Connecticut_Valley
mid 19th century
Oil on Canvas
45.7 cm (17.9 in); width: 61 cm (24 in)
National Gallery of Art
https://www.nga.gov/collection/art-object-page.43630.html