Cite

Grading camp for the Union Pacific Railroad in the Rocky Mountains

MLA

Reed, Samuel Benedict, 1818-1891. Grading camp for the Union Pacific Railroad in the Rocky Mountains. Box 5. undated. https://collections.library.yale.edu/catalog/10019944.

APA, 6th edition

Reed, Samuel Benedict, 1818-1891. (["Box 5"])(undated)[Grading camp for the Union Pacific Railroad in the Rocky Mountains]. https://collections.library.yale.edu/catalog/10019944.