The West Marin Fund has selected four nonprofit-led collaborations to receive a total of $600,000 for projects aimed at expanding social services, preventing youth substance use, and preserving local history across coastal Marin. The grants, awarded through the Collaborative Impact Grants program, will provide $150,000 over two years to West Marin Community Services, the Bolinas Community Land Trust, Marin Healthy Youth Partnerships, and the Bolinas Museum. Now in its third round, the program supports projects…