In the United States Supreme Court case of The United States v. Samuel W. Dickson and Others, the government argued that a certain parcel of land in Georgia was part of an Indian reservation and thus could not be sold to private individuals without congressional approval. The defendants argued that they had purchased the land from a third party who held title to it, so no federal permission was required for them to own it. After examining both sides' arguments, the court ruled in favor of Dickson et al., finding that Congress did not have authority over this particular piece of property because it had been previously ceded by treaty with Native Americans before being acquired by their seller. This decision established an important precedent regarding tribal sovereignty and set limits on how much control Congress can exert over lands within Indian reservations even when those lands are later transferred out into private hands.

In the case of The United States v. Samuel W. Dickson and Others, the Supreme Court was asked to decide whether a certain parcel of land in Georgia belonged to the state or to an individual who had purchased it from a Native American tribe. The majority opinion held that since no treaty existed between the federal government and this particular tribe, any purchase made by an individual would be invalid under U.S law; thus, ownership reverted back to Georgia as part of its original boundaries when it became a state in 1788. However, Justice McLean dissented from this decision on two grounds: firstly, he argued that there were sufficient facts presented at trial which showed that Dickson had indeed acquired title through his purchase from the Indians; secondly, he contended that even if such title could not be established due to lack of evidence or other legal impediments (such as lack of treaty), then equity should still prevail over strict legal principles so as not deprive individuals like Dickson who have acted in good faith with respect their dealings with Native Americans tribes for many years prior without any interference by either party's governments until now .