Account for staff and volunteers at the Hassayampa River Preserve to use for entering observations for the Preserve. The Hassayampa River Preserve was first created in 1987 by The Nature Conservancy and was managed by that organization until 2017 when the Preserve was transferred over to Maricopa County Parks & Recreation Department under at conservation easement. Please see the iNaturalist project, "Hassayampa River Preserve", for aggregate iNaturalist observations by visitors within the Preserve's boundaries.