Friends of Chapman State Parkis seeking volunteers to help at the park's historic Mount Aventine manor house on the Potomac River. Volunteers, sometimes in costume, are needed to lead nature walks, conduct children's activities, greet and assist guests, work on publicity, plan and coordinate events and do light maintenance on the grounds and walking path. Call Wayne McBain at 301-743-5560 or Carol Ghebelian at 301-753-6754.

Literacy Council of St. Mary'swill hold training workshops March 19, 21, 26 and 28 for volunteer tutors. Contact 301-863-4847 or stmalit@somd.lib.md.us.

Girl Scouts of Americaneeds volunteers for a variety of positions. Contact 800-834-1702, 301-449-5690 or dwilliams@gscnc.org.

Chesapeake Bay Running Clubneeds volunteers to staff water and aid stations and monitor intersections at the third annual Lower Potomac River Marathon on March 11. The race benefits the Chesapeake Bay Field Lab and Piney Point Lighthouse Museum. Contact Liza Recto at 301-863-8431 or cbrcliza@hotmail.com.

Maryland Veterans Memorial Museum Inc.,an organization working to build a museum at the site of the old Glasva Elementary School to house exhibits and educate the public on the contributions of Maryland veterans, is seeking volunteers to help with mailing letters, phone calls and fundraising. Call Edward Holland at 301-934-3443.

Tri-County Youth Services Bureau needs volunteers to mentor children ages 11-18 in a youth leadership development program. Call Michelle Evans at 301-843-2960.

Calvert Marine Museumis seeking volunteers to help in every area of the museum. Contact Sherry Reid at 410-326-2042, Ext. 19, or http://www.calvertmarinemuseum.com.

Calvert Animal Welfare Leagueneeds dog and cat caretakers age 18 and older to help mornings and evenings at the adoption center. Training is provided. The center is at 1040 Theater Dr., Prince Frederick. 410-535-9300 or http://www.cawl.us.

Dr. Samuel A. Mudd House Museumis seeking tour guides. The museum is at 3725 Dr. Samuel Mudd Rd. in Waldorf. 301-274-9358.

Habitat for Humanityin Charles County needs volunteers to manage its storage facility, serve as committee chairs and help with fundraising, church relations, public relations and building homes. Volunteers with trucks also are needed to move goods. 301-392-0770 or nomoreshacks@radix.net.

Big Brothers Big Sisters of Southern Marylandneeds program mentors and event sponsors. 301-290-0501 or http://www.bbbssomd.org.

Accokeek Foundationis seeking volunteers for events and special projects. Contact Julie Nguyen at 301-283-2113, Ext. 20, or outreach@accokeek.org.

Charles County Freedom Landing,a mental health program for adults, needs volunteers to assist with group activities, gardening and computer and clerical tasks. 301-932-2737.

Special Olympics of St. Mary's Countyneeds volunteers to help with sports training programs. Call Mary Lu Bucci at 301-373-3469.

American Red Cross,Southern Maryland chapter, seeks volunteer phone operators in the La Plata office, which supports the national Red Cross as a remote call center. Training is provided. Operators are needed from 9 a.m. to 9 p.m. daily. 301-934-2066 or 888-276-2767.

· The La Plata chapter also is seeking blood donors. Call 800-GIVE-LIFE (4483-5433) and schedule an appointment to donate. The La Plata office is at 9255 W & W Industrial Rd. 301-934-2066 or http://www.redcross.org.

Alice Ferguson Foundation's Hard Bargain Farmneeds volunteers to maintain an English garden, trim trails, learn to identify and clear invasive plants and help with special events and projects. Contact Brenda Wright at 301-292-5665 or http://www.hardbargainfarm.org.

Charles County Literacy Councilneeds volunteers to tutor in reading, writing, spelling, basic math and English as a second language. 301-870-5974 or http://www.charlescountyliteracy.org.

Tri-County Animal Shelterneeds volunteers age 14 and older to help with cleaning kennels, washing bowls and toys, doing laundry, sweeping, taking photos of dogs and cats, and spending time with the animals at the Hughesville shelter. 800-903-1992 or 301-932-1713.

Volunteer Southern Maryland, based at the College of Southern Maryland, helps people find volunteer opportunities and advertises nonprofit agencies' volunteer programs and services. The program also helps businesses and organizations with recruiting, managing and retaining volunteers. Contact Anne Whisner at 301-934-7642 or annew@csmd.edu.

Justice for Dogs,formerly known as Maryland Alliance of Dogs Deserve Better Inc., needs volunteers to assist with telephone calls, mailings, meetings and research to help get legislation passed to improve the quality of life for tethered, chained and penned dogs. Contact Lynne at 410-414-7170 or http://www.dogsdeservebetter.com/adopt.html.

St. Mary's County Meals on Wheelsneeds drivers and substitutes to deliver meals to homebound people once a week. Call Marilyn at 301-475-4200, Ext. 1060.

St. Mary's County Historical Societyis looking for volunteers to help in the office, library, archives, bookstore, Old Jail Museum and gardens, as well as with lectures, school programs and special events. No experience necessary. Contact Susan Erichsen at 301-475-2467 or smchs@tqci.net.

Center for Children Inc., an outpatient mental health clinic for children and adults, needs mentors age 21 and older for children ages 4-15 who have a parent in prison or on probation or parole. The program helps the children with emotional issues, academics, life skills and character development. Call Sharon Groves at 301-609-9887, Ext. 134.

· The center also is seeking Charles County children of prisoners to participate in the program. Call Vanessa Tisdale at 301-609-9887.

· The center's supervised visitation program needs volunteers to monitor court-ordered supervised visits between noncustodial parents and their children. A background check is conducted, and training is provided. Contact Sharon Groves at 301-609-9887, Ext. 134, or groves@center-for-children.org.

St. Mary's Animal Welfare League needs foster homes, board members and volunteers to help with socializing animals, publicity, fundraisers and adoption events. 301-373-5659 or http://www.smawl.org.

Birthright of Prince Frederickneeds volunteers to work with pregnant women at its center on Armory Road. Call Patricia Kelly at 410-535-3593.

Charles County Children's Aid Societyneeds volunteers to perform general office duties. Contact Maria Bryan at 301-645-1561 or http://childrensaidsociety.tripod.com.

Three Oaks Center,a shelter for homeless men, needs volunteer monitors from 8 a.m. to noon or noon to 4 p.m. Saturdays and Sundays. Volunteers are asked to commit to at least one shift a month at the shelter in Lexington Park. Training is provided. Call Ruben Berry at 301-863-9535.

Court Appointed Special Advocate volunteers are needed in St. Mary's and Charles counties to help provide a voice for abused or neglected juveniles in court proceedings. CASA volunteers work 10 to 15 hours per month and are screened and trained. Contact Sharon Groves at 301-609-9887, Ext. 134, or groves@center-for-children.org.

Greyt Expectations Greyhound Rescue,a nonprofit rescue and adoption organization specializing in finding homes for retired racing greyhounds, needs people to work with or adopt dogs. 301-373-4820 in St. Mary's, 410-326-3555 in Calvert or http://www.greytexpectations.org.

Calvert Memorial Hospitalneeds volunteers to help in many areas, including the patient information desk, gift shop, emergency department, urgent care centers and patient shuttle. Call Susan Stevens at 410-414-4523.

Community Support Systems Inc.,which serves low-income residents of northern Charles and southern Prince George's counties, needs volunteers to assist with food tables at its pantry on Wednesday and Friday mornings. Help is also needed to set up displays, hand out brochures and answer questions about the agency's mission. 301-372-1491.

Trico Corp.needs volunteers in its Lexington Park and Waldorf offices. Donations of art supplies are also needed. Trico is an outpatient mental health and psychiatric rehabilitation clinic that provides care regardless of a client's ability to pay. Contact Kim Clarke at 301-862-4961 or http://www.tricocorp.org.

Civista Medical Center needs volunteers to help with the gift shop, information desk, coffee cart, pharmacy and reception desk. 301-609-4129.

American Cancer Societyoffers volunteer training in all three Southern Maryland counties. 301-261-6000 or 888-603-4304.

Calvert Healthcare Solutionsneeds help with fundraising activities and events. Contact Raymon Noble at 410-414-5628 or rnoble@chesapeake.net.

Alternatives for Youth and Families needs foster parents in Calvert, Charles and St. Mary's counties. Call Sarah at 301-884-0312, Ext. 122.

Safe Harbor, a Calvert County organization that supports victims of domestic violence, needs volunteers to give time, goods and money. Training is provided, and schedules are flexible. 410-535-5400 or 301-855-1353, Ext. 344.

Calvert County Crisis Intervention Centerneeds volunteers to assist victims of domestic violence and sexual assault. Volunteers are also needed to assist victims of domestic and date violence in obtaining temporary protective orders. Training is provided, and schedules are flexible. 410-535-5400 or 301-855-1353, Ext. 344.

Calvert County Health Departmentneeds volunteers to assist with health outreach and prevention activities. 410-535-5400 or 301-855-1353, Ext. 344.

Division of Rehabilitation Services,Maryland State Department of Education, which helps adults with disabilities find employment, needs volunteers to help with clerical and telephone duties in its Waldorf office. 301-645-8882.

March of Dimesneeds volunteers for office support, including data entry, mailings, typing, preparing materials for distribution and answering phones. Contact Jennifer Abell at 301-934-2235 or marchofdimessmd@verizon.net.

MetroPets Onlineneeds volunteers to promote the adoption of homeless animals and the well-being of companion animals in the Washington area. 301-873-0846 or http://www.metropets.org.

Greenwell Foundationneeds volunteers for programs and special projects including gardening, office work, trail and park maintenance, summer camp, barn chores, mowing, special events and fundraising. Foundation programs take place at Greenwell State Park in Hollywood. 301-373-9775, http://www.greenwellfoundation.orgor volunteer@greenwellfoundation.org.

Boys & Girls Clubs of Southern Marylandneeds volunteers to help youngsters with homework, recreational activities and skill development. A background check is required. The organization operates five programs in St. Mary's County and three in Calvert County. Specify the county in which you wish to volunteer. 410-326-2200.

Calvert County Office on Agingneeds volunteer drivers to help deliver meals to the homebound. Call Harry or Carolyn at 410-535-4606 or 301-855-1170.

Project Echo,a shelter in Prince Frederick for homeless people, needs volunteers to staff a shift or help serve a meal. Volunteers must agree to commit to four hours a month. Call Lori Hony at 410-257-0003 from 10 a.m. to 6 p.m. or leave a message with the best time to be contacted.

Center for Abused Personsneeds on-call volunteers to assist and support victims of domestic violence and sexual assault. Volunteers must be age 21 or older. Training is provided. Call Diane at 301-645-9387 or 301-645-8994.

Spring Dell Center Inc.needs volunteers to assist developmentally disabled people during the center's lunch period. Call Debbie at 301-870-3758 or 301-932-1601.

Charles County Cooperative Ministry on Agingneeds volunteers to help with its Meals on Wheels and Telephone Reassurance programs. Volunteers also are needed to fill positions on the board. Call Mildred Barnes at 301-392-6325.

Calvert Hospiceneeds volunteers. Call Ann Lavezzo at 410-535-0892 or 301-855-1226.

Hospice of Charles County needs volunteers. Training is provided twice a year, in March and October. Call Susan Loomis at 301-934-1268.

Hospice of St. Mary's County is seeking volunteers. Assistance is needed with patient care, administrative work, bereavement counseling and fundraisers. Schedules can be flexible. Interviews are required before and after patient care training. Call Valerie Dishman at 301-475-6478.

Historic St. Mary's Cityneeds volunteers to help with the gardens, maintaining and sailing a tall ship, greeting visitors and hosting special events. 240-895-4979 or http://hsmc@smcm.edu.

Jefferson Patterson Park and Museumneeds volunteers for its Family Discovery Room, museum shop, education programs and the Louis L. Goldstein Gallery. Volunteers also can work with archaeologists and conservators at the Maryland Archaeological Conservation Laboratory. Volunteers also are needed to help restore the gardens. Call Jean Campbell at 410-586-8501.

St. Clement's Island-Potomac River Museumat Coltons Point needs volunteers to assist with student and group tours, weekend visitors, special events and the museum store. 301-769-2222 or http://www.stmarysmd.com/recreate/museums.

Historic Sotterley Plantationneeds volunteers to work in the gift shop, assist guests, interpret, garden, help with special occasions and share the history of Sotterley with the public. Contact 301-373-2280 or sotterleyoffice@mail.ameritel.net.

Summerseat Farm Sanctuaryneeds volunteers to conduct tours, work with the animals, assist in the garden and vineyard and help coordinate membership and volunteers. Contact Jean at 240-298-6072 or cajean47@hotmail.com.

Mattawoman Creek Art Center is seeking volunteers. Visit the center at Smallwood State Park from 11 a.m. to 4 p.m. Fridays through Sundays or call 301-743-5159.

-- Compiled by BONNIE SMITH

To Submit an Item

E-mail:smithbs@washpost.com

Fax:301-934-1088

Mail:Volunteers, Southern Maryland Extra, The Washington Post, 100 N. Oak Ave., La Plata, Md. 20646.

Details:To change or update a listing, call Bonnie Smith at 301-392-5400 or e-mail her at the address above. The list is published on a space-available basis on the last Sunday of each month.