The Northwest Marion Land Trust was a nonprofit organization formed in 1993 to promote preservation of the traditional scenic character and environmental quality of the northwest Marion County landscape through preservation and/or enhancement of environmentally valuable and/or sensitive areas, historic features, agricultural lands, and open space of aesthetic and/or recreational significance. One of the group's primary objectives was to establish a network of greenways extending throughout northwest Marion County and linking to major regional corridors. Efforts were centered on the Shiloh Forest - Price's Scrub Project, which was later submitted to the Florida Greenways and Trails Council as the Northwest Marion Greenway and accepted as their first alternative project for 2000. In 2001, the project was added to the CARL list as Carr Farm - Price's Scrub. The formal structure of NWMLT was dissolved in 2001 when the new Conservation Trust for Florida assumed responsibility for furthering the organization's objectives.

Linda Conway Duever was founder, board member, and Interim President of NWMLT. Providing volunteer technical support to NWMLT was Conway Conservation's primary community service commitment during the 1990s.