Clean the Hogadon Ski Area or clean the river. Shop garage sales to benefit dogs and toddlers. Walk through a historic residential district. These are just some of the activities available this weekend, as provided to the Star-Tribune.

The 15th annual Hogadon Ski Area Tune-up Day is from 8:30 a.m. to noon at Hogadon Ski Area. The morning will be spent helping Hogadon prepare for the upcoming ski season, improving the environment and the facilities for all to enjoy. Live music will be provided by the Saggy Bottom Boys of Douglas. Registration is required at the door. Children under 12 must be accompanied by an adult. Proper dress is recommended. For more information, call 235-8499.

The Third Annual Platte River Revival will be held from 9 a.m. to noon. Check-in will be at Mike Lansing Field. In addition to an increased focus on in-river work, volunteers will clean debris from the riverbanks, remove Russian olive trees, and plant native habitat trees.

Rescue Rangers is holding a garage sale today from 7 a.m. to 2 p.m. at 3741 Eagle Dr., in Wolf Creek, to benefit the dogs at Metro Animal Control. Rescue Rangers is a nonprofit corporation whose mission is to save dogs at Metro Animal Control from euthanasia by transporting them to no-kill rescue groups.

Mothers of Preschoolers (MOPS) is hosting a huge garage sale from 8 a.m. to 1 p.m., at the College Heights Community Center, 1927 S. Walnut St., the old Garfield School gymnasium.

The Wyoming Arabian Horse Association is hosting an Open Horse and Rider Fun Day at Hiser Farms Arena, 15001 Bessemer Bend Rd. It all begins at 9 a.m., and registration takes place then. Lunch will be available. All breeds are welcome and youth and families are encouraged to participate. For more information, call Cleo at 234-0968.

The Natrona County Master Gardeners Farmers Market continues through Sept. 26, weather permitting, starting at 7:30 a.m., at the Agricultural Resource Learning Center, 2011 Fairgrounds Rd. Raising Readers in Wyoming is holding its second annual Bookfest & Feast breakfast and fund-raiser from 8:30-11 a.m. at Dean Morgan Junior High. A fee of $5 per family includes pancake breakfast, health and education information tables, door prizes, raffles, a used book sale, story time, games, art activities, and more.

The Casper Garden Club will meet at 10 a.m. at the Mills Senior Center, 401 Wasatch Ave., Mills. The program will be presented by Lynn Dampman on vermi composting.

The two Jewish communities in Casper are each observing Rosh Hashanah today. For more information, call the modern reform Jewish congregation at 265-5962 or Temple Beth-El at 237-2330.

American Legion Riders, American Legion Post No. 2, host a poker run, triathlon, barbecue and dance at the Legion Post Home, 4200 Legion Ln. Poker run participants should arrive about 10:30 a.m., and the ride starts at 11 a.m. The triathlon of darts, pool and horseshoes (entry fee $5) starts about 4 p.m. when the riders return and so does the barbecue ($25 or $12.50). Dancing to the John Jennings Band starts at 8 p.m. For more information, call Tammy at 315-0690.

Halloween lovers are invited to join in building and acting in the Haunted House sponsored by Poverty Resistance, to be held this year in the old Wine Rack building in the Eastridge Mall parking lot. An organizational meeting is at 2 p.m. today at the site. For more information and to volunteer, call Mary Ann at 232-8725.

The Casper Dirt Riders Motocross Club will host the second annual Mike Brown motocross race Sunday at the Prickly Pear motocross track in Casper. Gates open at

Today is the final day to donate school supplies to be used by Boys & Girls Clubs of Central Wyoming members at Staples, 4160 E. Second St.

Sagebrush Players of Ladies Oriental Shrine will host a Fall Luncheon and Style Show at the Casper Shrine Club. Lunch will be served at noon with a fashion show at 1 p.m., provided by Fashion Crossroads. All Red Hats and the public are invited. Tickets are $8 each. Call Janice at 237-7463 or Lois at 472-9017.

A Gold Canyon candle open house takes place from 1 to 3 p.m., at 1900 East First St. Call 267-9196 for more information.

The nonprofit Casper Planetarium, 904 N. Poplar, has set its fall schedule with Astronomyths at 7 p.m. and Black Holes at 8 p.m. Planetarium show admission is $2.50/person/show. For more information, call 577-0310.

Riddle's Jewelry in Eastridge Mall celebrates the company's 50th anniversary this weekend with a fun-filled 50's theme inside the store and cookies and cola for everyone.

The Casper Senior Center and The SwingSounds Dance Band hosts a dance from 7 to 10 p.m., at the newly remodeled Casper Senior Center Ball Room at 1831 East Fourth St. Admission is $4/person.

Wyoming Equality's fourth annual "Gay-cademy Awards" Dance will be held at the 19th Hole Restaurant and Bar. "Meet and greet" conversations are from 7 to 9 p.m.; the dance begins at 9 p.m. with music provided by D.J. Jenn. Cost is $5 for WE members, and $10 for non-members. Wyoming Equality serves the Gay, Lesbian, Bi-sexual, and Transgender Community. For more information, call 265-4414.

On Sunday, Powder River Veterans Club and VFW Post No. 991 will be serving breakfast from 8:30 to 11:30 a.m., adults $6, children under 12, $3. Funds raised will benefit the JROTC General Fund.

The Casper Humane Society is having its Annual "Strut Your Mutt" Dog Walk at Washington Park between 1 and 4 p.m. on Sunday. Registration begins at 12:30 p.m., at the picnic table directly behind the band shell. For more information, call 265-5439.

Department President Linda Feezer of the American Legion Auxiliary will make her official visit to Henry Whiteaway Unit 16 at the home of Renae Thomas at 1:30 p.m. on Sunday.

Painted Past Productions of Casper presents a brand new tour. Gayle Irwin hosts information on historic homes of Casper. The one-hour walking tour will encompass some of the most prestigious homes on Center and Wolcott streets. Reservations for this 3 p.m. tour are required by calling 267-7243. The cost of the tour is $25.