The Chesuncook soil series, a coarse-loamy, mixed, frigid, Typic Haplorthod, is the official state soil.
Me. Rev. Stat. tit. 1, § 222
State soil
PL 1999, c. 70, §1 (NEW).
Official source: Maine Legislature. Reproduced from public-domain Maine statutes; confirm against the official source for the current text. Not legal advice.