Riley Rackliffe follows the stinky green blobs as they travel across Lake Mohave. The aquatic biologist leads a two-man team for the National Park Service, dipping a long stick into the reservoir’s problem areas and sending off samples to the Southern Nevada Water Authority’s water testing plant in Henderson. Riley Rackliffe follows the stinky green blobs as they travel across Lake Mohave. The aquatic biologist leads a two-man team for the National Park Service, dipping a long stick into the reservoir’s problem areas and sending off samples to the Southern Nevada Water Authority’s water testing plant in Henderson. Environment Phys.org – latest science and technology news stories