In the Northern Pacific Railway Company v. Slaght case of 1906, the U.S Supreme Court ruled in favor of Northern Pacific Railway Company. The dispute arose when a landowner named Slaght sued the railway company for damages caused by fire that had spread from its right-of-way to his property. However, it was found that there were no negligence or violation of law on part of the railway company as they had taken all necessary precautions and measures to prevent such an incident. The court held that mere proof of origin from sparks emitted by a passing locomotive is not sufficient evidence to hold a railroad liable for damage caused by fires along its route unless it can be shown that there was some neglect or omission which amounted to fault on their part.

In the dissenting opinion for Northern Pacific Railway Company v. SLAGHT, it was argued that the majority's interpretation of the land grant act was incorrect. The dissent believed that Congress intended to give alternate sections of land to railroads as a form of compensation for constructing railways across unsettled territories, not merely as an incentive. They contended that if a railroad company had built tracks on granted lands before they were surveyed by government officials and found to contain valuable minerals, then those lands should remain with the railway company rather than being returned to public domain. This view held that such an approach would honor Congressional intent more accurately while also providing fair reward for companies taking risks in developing infrastructure in uncharted regions.