MR. JUSTICE DOUGLAS delivered the opinion of the Court.
This case involves six groups of claims to oil shale located in Colorado and asserted under the General Mining Act of 1872, 17 Stat. 91, now 30 U. S. C. § 22, 26, 28, and 29. Section 28 provides that until a patent issued "not less than $100 worth of labor shall be performed or improvements made during each year."
Let's get started

Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.
- Updated daily.
- Uncompromising quality.
- Complete, Accurate, Current.