| a_new_survey_of_crookhaven_mine._critchey_m._shaw_r.__2004_.pdf |
| a_preliminary_report_of_crookhaven_mine_county_cork._osullivan_p.__2004_.pdf |
| documents_on_mining_history_cowman_d.__2004_.pdf |
| hibernia_shamrock_erin-_william_thomas_mulvany_and_the_irish_mines_in_the_ruhr._schmidt-rutsch_o.__2004_.pdf |
| historic_records_of_mining_on_mount_gabriel._briggs_s.__2004_.pdf |
| mellifont_an_abbey_in_a_quarry._carville_g.__2004_.pdf |
| the_avoca_mineral_tramway_a_further_look_into_an_early_co._wicklow_mineral_tramway._waldron_a_et_al__2004_.pdf |
