Assertion: lignite | /r/AtLocation | group
Facets:
Source sentences:
text: Lignite, a low-grade coal, is found in a broad band of Tertiary Eocene strata that extends across the Coastal Plain from the Rio Grande near Laredo in South Texas to the Arkansas and Louisiana borders of East Texas, and in a group of intervening counties including Panola, Harrison, Marion, Gregg, Rusk, and Shelby.