Iris Metals Ltd (ASX: IR1) non-executive chairman Simon Lill joined Proactive’s Jonathan Jackson to discuss hard rock lithium in the USA, including the work it is doing at the Beecher Project in the Black Hills of South Dakota where it continues to expand its footprint. Lill also looks at a recent binding agreement that enables access and exploration rights to the historic Tin Mountain property. This agreement allows for an initial 3-year period of access, with the right to purchase after, and how with exploration success, it is expected to provide additional feed to a centralised processing plant based around Beecher. Lill also gives insight into the lithium market and what investors can expect from the company in 2024.