USDA:10.3141/1989-11 USDA:10.3141/1989-18 USDA:10.3141/1989-38 USDA:10.3141/1989-40 USDA:10.3141/1989-48 USDA:10.3141/1989-67 USDA:10.3141/2028-04 USDA:10.3141/2077-12 USDA:10.3141/2108-09 USDA:10.3141/2120-06 USDA:10.3141/2200-19 USDA:10.3141/2203-05 USDA:10.3141/2203-26 USDA:10.3141/2204-26 USDA:10.3141/2205-20 USDA:10.3141/2232-06 USDA:10.3141/2471-03 USDA:10.3141/2472-03 USDA:10.3141/2473-13 USDA:10.3141/2473-14 USDA:10.3141/2473-19 USDA:10.3141/2473-28 USDA:10.3141/2474-16 USDA:10.3141/2580-07