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Detecting plant pests and weeds through a national survey program
Free! : a collection of 8 different camellia flowered begonias
Flora of the vicinity of New York
Supplemental report environmental programs, 1977 : White River Shale Project federal prototype oil shale leases U-a and U-b
List of publications of the Bureau of Entomology
The muscadine grapes
Information concerning the Mexican cotton boll weevil
The biology of the Arctic grayling, Thynallus Arcticus (Pallas), in Great Slave Lake
The nascent forest of the Miscou Beach plain
Annotated bibliography of bog lemmings