1 "Ficheiro:The_prospector's_handbook;_a_guide_for_the_propsector_and_traveller_in_search_of_metal-bearing_or_other_valuable_minerals_(IA_prospectorshandb00andeuoft).pdf".

Ficheiro:The prospector's handbook; a guide for the propsector and traveller in search of metal-bearing or other valuable minerals (IA prospectorshandb00andeuoft).pdf

Internet Archive ID: prospectorshandb00andeuoft described at URL: https://archive.org/download/prospectorshandb00andeuoft/prospectorshandb00andeuoft.pdf...