Scale 1:500,000. 1 in. = approximately 8 miles ; Lambert conformal conic projection based on standard parallels 33⁰ and 45⁰ (W 71⁰08ʹ--W 66⁰53ʹ/N 47⁰28ʹ--N 42⁰58ʹ).
Note:
Relief shown by contours and spot heights. Title in upper and lower right margins: Maine. "Compiled 1958." Includes "Legend," "Source data," and "Population key."