1. Plano del Rio Tigre / levantado por teniente D. Oscar Mavila, par el nuevo mapa del departmento de Creator: Mavila, Oscar Published / Created: 1908 Call Number: 901 T44 1908 Container / Volume: BRBL_00664 Image Count: 1 Resource Type: Maps, Atlases & Globes Publisher: s.n., Subject (Geographic): Tigre River (Peru)--Maps Subject (Name): Vallejos Z., Camilo Found in: Beinecke Rare Book and Manuscript Library > Plano del Rio Tigre / levantado por teniente D. Oscar Mavila, par el nuevo mapa del departmento de loreto
2. Plano del Rio Pastaza / levantado por Oscar Mavila ; dibujo de Camilo Vallejos Z. Creator: Mavila, Oscar Published / Created: 1908 Call Number: 901 P26 1908 Container / Volume: BRBL_00664 Image Count: 1 Resource Type: Maps, Atlases & Globes Publisher: s.n., Subject (Geographic): Pastaza River (Ecuador)--Maps and Pastaza River (Peru)--Maps Subject (Name): Vallejos Z., Camilo Found in: Beinecke Rare Book and Manuscript Library > Plano del Rio Pastaza / levantado por Oscar Mavila ; dibujo de Camilo Vallejos Z.