Why was the buffalo so important to the Plains Indians?/em Primary sources offer a glimpse into what life was like for the Plains Indians! Students analyze primary sources with informational text to explore the culture and customs of diverse tribes on the Plains. Features images and documents with explanatory captions and vocabulary Builds literacy skills and Social Studies content knowledge Leveled content is accessible to every type of learner Aligned to C3 Framework Copyright 2017.Middle school. 32 pages. Book Download: PDF. Print Book: Softcover. 7 x 9 inches.