Collective exploration totaling over USD $2.0 million developing the project, including surface sampling, trenching, TEM geophysics and drilling three holes that had outstanding brine flow results.

Source: https://theclarion.ca/media-release/recharge-resources-exercises-option-to-acquire-pocitos-1-lithium-brine-project-and-receives-1-716-million-through-warrant-exercises/?utm_source=rss&utm_medium=rss&utm_campaign=recharge-resources-exercises-option-to-acqu

Heavy smoke and flames were seen by locals from the trenching ground around 2 pm after which the fire brigade and the police were informed.

Source: https://www.freepressjournal.in/indore/indore-dry-garbage-heap-fuels-major-fire-at-trenching-ground

Other planned exploration activities include infill soil geochemistry selectively down to a 20 x 20 meter grid across identified lithium anomalies and trenching across both lithium anomalies and outcroppings.

Source: https://investingnews.com.au/oceana-lithium-fully-funded-exploration-in-brazil-canada-and-australia

"The Castle property has a rich database of drilling, geophysics and geochemistry accumulated over many years of past mining activity and more recent trenching and drilling of over 60,000 meters.

Source: https://investingnews.com/fortune-minerals-announces-results-of-annual-and-special-meeting-of-shareholders/

Through trenching and excavation for the sample we have unearthed historic workings that clearly were focused on higher-grade mineralization, this will provide us with key information to aid in future targeting.

Source: https://theclarion.ca/media-release/tocvan-outlines-high-grade-gold-results-for-start-of-diagnostic-leach-study-stockpile-of-bulk-sample-complete/?utm_source=rss&utm_medium=rss&utm_campaign=tocvan-outlines-high-grade-gold-results-for-start-of-diagnostic-l

You can use a trenching shovel or a small empty can to do this.

Source: https://www.reviewjournal.com/life/home-and-garden/telltale-signs-point-to-leak-in-pvc-pipe-underground-2966917/