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biologists work with volunteers to excavate a sea turtle nest
trained volunteers have been vitally important to the success of the sea turtle nest relocation effort
a group of women volunteers helping to replant marsh grass on the refuge
children volunteers helping plant a pollinator garden
children volunteers helping
a crowd of trained sea turtle volunteers watching
volunteers planting marsh grass
volunteers work together on a habitat restoration project
volunteers standing next to new wood duck houses
volunteers help replant a butterfly garden
volunteers enjoy planting trees
team volunteers as they marched from house to house in search of any smallpox cases
multinational group of smallpox eradication team members including local bangladesh volunteers
local eradication team volunteers were walking along a trail
