1888-05-14
Gold-bearing quartz is found at Guaynamoca
Haitian
Guaynamoca (la). Region of the Dominican Republic, in the Cibao, where the presence of auriferous quartz was established on 14 May 1888.
Rouzier tells this under the entry Guaynamoca (la).
Source · p. t. II, p. 78
Sémexant Rouzier, Dictionnaire géographique et administratif universel d'Haïti (t. II) (1892), p. t. II, p. 78