§ 75.
In case of conflicting claims upon coal lands where the improvements shall be commenced, after the third day of March, 1873, priority of possession and improvement, followed by proper filing and continued good faith, shall determine the preference right to purchase. And also where improvements have
(R.S. § 2351; 1946 Reorg. Plan No. 3, § 403, eff. July 16, 1946, 11 F.R. 7876, [60 Stat. 1100].)