Reptile Forums UK - A member details the steps taken to build his large outdoor pond, with a truly beautiful end result.
Beautiful Outdoor Pond Construction
Tortoise Trust - This is an old thread recently bumped back to life, and well worth the visit if you’ve ever had the slightest interest in building an outdoor turtle pond. Full of beautifully detailed, step-by-step pictures of an amazing turtle pond and garden.@ Tortoise Trust