The island also has beautiful crystal caves, complete with a 55 - foot deep lake surrounded with crystal formations. (rewardexpert.com)
So, before trying to access deeper lakes with existing equipment, researchers and engineers must collaborate to develop new techniques for deeper projects. (smithsonianmag.com)
Lake Chelan is the third deepest lake in the US and is a major attraction along the Cascade Loop. (forgetsomeday.com)