Calling All Detectives!
Can you solve a Mystery?
Guess who I am using the clues below. I could be a plant, animal, bird, tree, insect, arachnid (spiders), amphibian, or any other thing found in or around Colorado's waterways.
-I am bright, shiny, and some people think I am yellow.
-You can use me for lots of things, and without me there might not even be a city where Denver is today.
-You can find me the South Platte River but not the Cherry Creek, but only if you look really really close (and usually under things)
-I am the reason so many people rushed out to the area that is now Colorado back in 1859!