Subaqueous
61Crater Lake National Park — IUCN Category II (National Park) …
62Alluvial fan — An alluvial fan is a fan shaped deposit formed where a fast flowing stream flattens, slows, and spreads typically at the exit of a canyon onto a flatter plain. A convergence of neighboring alluvial fans into a single apron of deposits against a… …
63Rotherhithe Tunnel — The Rotherhithe Tunnel is a road tunnel crossing beneath the River Thames in East London. It connects the Ratcliff district of Limehouse in the London Borough of Tower Hamlets north of the river to Rotherhithe in the London Borough of Southwark… …
64Tailings — A panorama of Broken Hill, New South Wales, backed by the man made mullock (waste tailings) heaps from the Line of Lode mine (the mullock heaps are the hills that stretch across this image). Tailings, also called mine dumps, slimes, tails, leach… …
65Oak Ridges Moraine — The Oak Ridges Moraine is an ecologically important geological landform in the Mixedwood Plains of south central Ontario, Canada. The moraine covers a geographic area of 1,900 square kilometres (730 sq mi) between Caledon and Rice Lake …
66Common minnow — Conservation status Least Concern (IUCN 2.3) …
67Lechuguilla Cave — The Chandelier Ballroom in Lechuguilla Cave Lechuguilla Cave is, as of June 2011, the sixth longest cave (130.24 miles (210 km)) known to exist in the world, and the deepest in the continental United States (1,604 feet (489 m)), but it… …
68City and South London Railway — A picture of a City South London Railway train from the Illustrated London News, 1890 The City and South London Railway (C SLR) was the first deep level underground tube railway in the world,[1][note 1 …
69St. Clair Tunnel — Infobox Bridge bridge name= St. Clair Tunnel caption= official name= Paul M. Tellier Tunnel also known as= carries= Rail lines crosses= St. Clair River locale= Port Huron, Michigan and Sarnia, Ontario maint= Canadian National Railway id= design=… …
70Rhynie chert — The Rhynie chert is an Early Devonian Lagerstättefound near the village of Rhynie, Aberdeenshire, Scotland, containing exceptionally preserved plant, fungus, lichen and animal material petrified in three dimensions by covering with fast setting… …
