SADRžAJ
Istražite promjenjivu geologiju spektakularnih Velikih jezera u Sjevernoj Americi dok otkrivamo kako točno izgledaju ispod površine.
- Nigel WattrusSelf - Large Lakes Observatory
- Steve BlascoSelf - Geological Survey of Canada
- John O'SheaSelf - University of Michigan
- Troy HolcolmbeSelf - Texas A&M University
- Fred OliffSelf - Canadian Hydrographic Service
- Russ GreenSelf - Thunder Bay National Marine Sanctuary
- Hans Van SumerenSelf - Great Lakes Water Studies Institute
- Tom FarnquistSelf - Great Lakes Shipwreck Historical Society