The United States v. Copper Queen Mining Company case in 1901 revolved around a dispute over land ownership and mining rights in Arizona. The U.S government claimed that the Copper Queen Mining Company had unlawfully encroached on federal lands, extracting valuable minerals without permission or payment of royalties. The company countered this claim by arguing that it held valid title to these lands under an old Spanish grant, which predated American sovereignty over the area following the Treaty of Guadalupe Hidalgo in 1848. However, upon examination of evidence and testimonies from both sides, the Supreme Court ruled against Copper Queen Mining Company. It found no proof supporting their assertion about owning rights via a Spanish grant; instead, it was established that they had been operating on public domain land belonging to the U.S government all along.

The dissenting opinion in the United States v. Copper Queen Mining Company case argued that the majority's decision to allow mining companies to claim land under a law intended for homesteaders was incorrect. The dissenting justices believed that this interpretation of the law allowed corporations to exploit public lands and resources without providing any significant benefit back to society or adhering to the original intent of Congress when they passed these laws. They contended that such an interpretation could lead to unchecked exploitation, environmental damage, and depletion of natural resources by private entities at public expense. Furthermore, they expressed concern about setting a precedent where vague language in legislation can be interpreted broadly enough so as not only permit but also encourage corporate profiteering from publicly owned assets.