- Title: Gray's Historical Maps of the United States
- Author: O. W. Gray
- Date: 1883
- Medium: Hand-colored lithograph
- Condition: Very Good Plus - age toning, foxing
- Inches: 14 1/4 x 17 1/4 [Paper]
- Centimeters: 36.2 x 43.8 [Paper]
- Product ID: 100989
O. W. Gray, or Ormando Wyllis Gray (1829–1912), was a prominent map and atlas publisher and civil and topographical engineer based in Philadelphia. His publishing firm, initially known as O. W. Gray and later as O. W. Gray & Son, produced detailed regional, state, and national atlases during the late nineteenth century. Gray's work is notable for its accuracy and decorative appeal, and his atlases-such as Gray's Atlas of the United States-remain valued by collectors and historians today for their insight into the period's geography and cartographic style.