Summary report of investigations on the exploration concession of desarrollo centroamericano, S.A. Located

Autor:Desarrollo Centroamericano, S.A.;

Travaux effectues dans le secteur bonanza de la zone II du projet.

Autor:Notzli, Eduard;

Geological setting and geochemistry of epithermal gold deposits in the La Libertad and the Limón areas Nicaragua

Autor:Carranza, Giovanni;

Ore reserves y Mining programs, 1969-1972

Autor:Knuckey, M.J;

Rosita Mines Nicaragua, C.A. Ore Reserves

Autor:Knuckey, M.J;

Ore reserves

Autor:Knuckey, M.J.;

Ore reserves 1967

Autor:Rosita Mines Limited;

Report on a placer gold prospect on the coco river Telpaneca.

Autor:Morrison, Lee;

Report on the La amistad mine, near town of Limay.

Autor:Piatt, Robert;

Report electromagnetic and magnetometer survey in the risco de oro concession area for Rosita mines

Autor:Schuur, W;

Rosita Mines Limited

Autor:Watowich, S;

Report on the geological, geochemical and geophysical survey in the Bambana mine. Zona II

Autor:Salamis, Constantino;

Summary report on operations in 1977 desarrollo centroamericano S.A

Autor:Campbell, Enrique;

Summary of reports on reconnaissance and prospecting in the general area of riscos de oro and in north-east Nicaragua

Autor:Riddell, J.A;

Preliminary geological investigation in the Zelaya department of northeastern Nicaragua

Autor:Spat, A.G;

General geology of the Bonanza, Rosita, Siuna área Nicaragua

Autor:Eimon, Paul;

Summary report on exploration Spencer Concession, en el departamento de Zelaya

Autor:Campbell, Enrique;

Preliminary examination topaz mine

Autor:McDonald, William;

The deposits of gold bearing sediments of the Siuna river otter tail mining company concession

Autor:Dindial, W; Martínez, P A;

Bambanita north anomaly Rosita Spencer Concession

Autor:Middleton, Bob;