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| rock_boring_rock_drilling_explosives_and_blastin..> | 19.2 MiB | 2025-Nov-29 08:11 |
| well-drilling_machinery_and_tools_1907.pdf | 26.5 MiB | 2025-Nov-29 08:14 |
| well_and_spring_protection_1922.pdf | 5.6 MiB | 2025-Nov-29 08:18 |
| well-boring_for_water_brine_and_oil_1902.pdf | 6.4 MiB | 2025-Nov-29 08:19 |
| water_supply-the_present_practice_of_sinking_and..> | 9.1 MiB | 2025-Nov-29 08:19 |
| water_systems_for_farm_homes_1918.pdf | 3.2 MiB | 2025-Nov-29 08:19 |
| the_use_of_windmills_in_irrigation_in_the_semiar..> | 2.2 MiB | 2025-Nov-29 08:25 |
| soil_drilling_by_vibration_1961.pdf | 5.4 MiB | 2025-Nov-29 08:25 |
| rock_drilling_1911.pdf | 9.1 MiB | 2025-Nov-29 08:25 |
| rudimentary_treatise_on_well-digging_boring_and_..> | 2.9 MiB | 2025-Nov-29 08:25 |
| deep_hole_drilling_1910.pdf | 6.4 MiB | 2025-Nov-29 08:44 |
| artesian_wells_as_a_means_of_water_supply_1895.pdf | 5.9 MiB | 2025-Nov-29 08:44 |
| deep_well_drilling-the_principles_and_practices_..> | 13.5 MiB | 2025-Nov-29 08:50 |
| modern_drilling_practice_1919.pdf | 12.3 MiB | 2025-Nov-29 08:50 |
| diamond_drilling_for_gold_and_other_minerals_190..> | 4.7 MiB | 2025-Nov-29 08:50 |
| irrigation_wells_and_well-drilling_methods_in_ca..> | 3.3 MiB | 2025-Nov-29 08:50 |
| methods_of_pumping_water_from_deep_wells_1903.pdf | 3.2 MiB | 2025-Nov-29 08:50 |