The 21 members of the National Public Lands Advisory Council:

Appointed to three-year terms: Ben Avery of Phoenix, a retired outdoor writer for the Arizona Republic who continues to write a weekly newspaper column; John E. Butcher, animal science professor at Utah State University in Logan, whose background is in the cattle industry although the Bureau of Land Management says he has "no financial connection" with the industry; Raymond L. Friedlob of Denver, a law professor and partner in a Denver law firm; Verna M. Green, a Helena, Mont., realtor and owner of ranch properties; Bob Jones, an Alamogordo, N.M., rancher and president-elect of the state Cattle Growers Association; David Schaenen of Billings, Mont., president of the Rocky Mountain Oil and Gas Association, vice president of Wesco, an oil and gas firm, and director of the Independent Petroleum Association of Mountain States; Robert H. Adams of Valley Center, Calif., realtor and investment manager and member of the board of the San Diego Zoological Society's Wildlife Animal Park.

Appointed to two-year terms: Calvin Black of Blanding, Utah, San Juan County commissioner, mine company executive and a director of the Utah Mining Association, Sundance Oil and Mountain States Resources Co.; Paula P. Easley of Anchorage, director of the Resources Development Council for Alaska Inc.; Ray B. Hunter of Jackson, Calif., executive director of the California Mining Association and director of the California Conservation Department when President Reagan was governor; David Little, an Emmett, Idaho, rancher and state senator who is a former president of state organizations for sheep and cattle ranchers; Dr. Guy T. McBride Jr. of Golden, Colo., president of the Colorado School of Mines and a director of Halliburton Co., an oil and gas firm; Thomas F. Stroock of Casper, Wyo., a state senator and president of Alpha Exploration Inc., an oil and gas exploration firm; Robert R. Wright, a Clover Valley, Nev., rancher and regional vice president of the National Cattlemen's Association.

Appointed to one-year terms: David Harrington of Rancho Santa Fe, Calif., a construction company owner and past president of the San Dieguito town council; Lowell N. Jones, owner of a logging company in Klamath Falls, Ore.; Cecil Miller, a Tolleson, Ariz., farmer and president of the Arizona Farm Bureau Federation; B. Wells O'Brien, whose Reno, Nev., law firm handles corporate mining cases; Marlene J. Simons, a Wyoming state representative from Beulah and president of Outdoors Unlimited, an organization that promotes and lobbies for development interests; J. William Swan, a Rogerson, Idaho, rancher, president of the National Cattlemen's Association and the only member of the last council to be reappointed; and April Westbrook of Hobbs, N.M., whose oil company connections include the presidency of V.H. Westbrook Oil Co.