film: 1970, disaster film based on anovel by Arthur Hailey and starring Burt Lancaster?

Questions

What large fish earned the nickname "cheetah of the sea" for its speed in the water?

What Mojave Desert city has a name meaning "the meadows" in spanish?

What portable device did James Spengler invent in 1907, using a soap box, pillow case, a fan & tape?

What river were the Joan of Arc's remains cast into?

What served as a cowboy's wash cloth, dust mask & water filter?