Two people bore and mark rocks
Two people bore and mark rocks
Two people bore and mark rocks
Two people doing stream transect
Two people doing stream transect
Two people doing stream transect
Two people doing stream transect and surveying
Two people doing transect in streambed
Two people bore and mark rocks
Two people bore and mark rocks
Two people bore and mark rocks
Two people doing stream transect
Two people doing stream transect
Two people doing stream transect
Two people doing stream transect and surveying
Two people doing transect in streambed