Ronald A Ryder

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1) Waterfowl-water temperature relations in winter

Author

Ryder, Ronald A

Series

Completion report volume no. 21

Pub. Date

[1970]

2) A preliminary analysis of waterfowl recoveries in Colorado with notes on trapping and banding

Author

Ryder, Ronald A

Pub. Date

1955

3) Waterfowl production in the San Luis Valley, Colorado

Author

Ryder, Ronald A

Pub. Date

1951

4) Waterfowl trapping and banding studies : San Luis Valley, summer 1949, and Cache la Poudre Valley, fall-winter 1949 - 1950, with additional notes on winter waterfowl populations

Author

Ryder, Ronald A

Pub. Date

1950

5) A checklist of the birds of the Rio Grande drainage of southern Colorado

Author

Ryder, Ronald A

Pub. Date

1965

6) Ponnequin Wind Energy Project : reference site avian study

Author

Kerlinger, Paul

Pub. Date

c1981

7) Conservation and management of nongame birds

Author

Swanson, Gustav A

Pub. Date

[1979]