This report details the geological survey of the Stevenson phosphate location in Quebec, focusing on its potential for mineral extraction. Chapman, a geologist, presents findings based on field observations and analysis of the region's rock formations and mineral deposits. The primary argument concerns the economic viability and geological characteristics of the phosphate deposits within the specified townships.

This report is a technical document likely intended for geologists, mining engineers, and government officials involved in resource assessment. Its value lies in its specific, localized data regarding phosphate deposits, offering a snapshot of geological understanding and resource potential in late 19th-century Quebec. The document serves as a historical record of early mineral surveys in the region.