Map - c. 1980 - 1980 Census Block Map No. 20 - Partial for: Ontario Div., Chino

This map covers Block No. 20 - Partial for: Ontario Div., Chino. -  MEASUREMENTS:  22" x 34" - CONDITION:  Very Good - COPIES:  1.
Abstract/Description: This map covers Block No. 20 - Partial for: Ontario Div., Chino. - MEASUREMENTS: 22" x 34" - CONDITION: Very Good - COPIES: 1.
Date Issued: of Map. c. 1980