Divers have bonded with the sturgeon during a project at the MK Nature Center

Divers have bonded with the sturgeon during a project at the MK Nature Center

It's spring cleaning time at the Morrison and Knudsen Nature Center as the sturgeon pond gets cleaned out for the first time in 20 years.It's a project overseen by Golden Enviro LLC. They are one of the only dredging companies in the northwest, and they are removing sediment, leaves and other debris from the pond. "I kind of equate it to cleaning your aquarium," said Eric Anderson of Golden Enviro LLC. "We take out the biological silt that takes…