Salitre e baritina
By: pelo dr. Luiz Felippe Gonzaga de Campos ...
Series: [Brazil] Serviço geologico e mineralogico. Boletim; n. 4
Publisher: Imprensa nacional
Published: 1922
Place of publication: Rio de Janeiro
Language: por
Number of pages: 37
Subjects: Nitrates.; Barite.
Notes: At head of title: Ministerio da agricultura, industria e commercio.