Is 647.740 chains as long as a Brachiosaurus?
It's about 1,000 times as tall as a Brachiosaurus
The height of a Brachiosaurus is about 0.650 chains.
(based on comparable bone measurements, height to head)
Dinosaurs in the genus Brachiosaurus had an estimated height (at the head with neck fully extended) of up to 0.650 chains. A resin cast of the first Brachiosaurus specimen, owned by the Field Museum in Chicago, is currently on display at the O'Hare International Airport.
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