The first hydrographic and forest survey of the Mucuri Valley in the 19th century. Int. J. Geosci., Eng. Technol. [Internet]. 2025 Oct. 31 [cited 2026 Apr. 23];12(1):90-5. Available from: https://revistas.apps-teste.ufvjm.edu.br/index.php/ijget/article/view/857