The city of Des Moines is seeking volunteers to count and survey users on its recreational trails next month -- a means to gain grant money for trails. Volunteers will be responsible for counting and surveying trail users on Sept. 11, 12 and 13 from 4:15 p.m. to 7:30 p.m., and on Sept. 15, from 11:15 a.m. to 2:30 p.m.  Sign up hereor email parksvolunteer@dmgov.org .