The Western Middle Anthracite Field is a large basin containing veins of anthracite coal in Pennsylvania. The region is in the Appalachian Mountains and is the third-largest anthracite field in the anthracite region in Eastern Pennsylvania behind the Southern and Northern Fields.[1] The field is located above the Southern Anthracite Field strays between Schuylkill County, Pennsylvania and Northumberland County, Pennsylvania in Central Eastern Pennsylvania.[1]