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541.
Instructions for the installation and operation of class "A" evaporation stations. By Benjamin C. Kadel ... by Series: U.S. Dept. of agriculture. Weather Bureau. Instrument Division. Circular L ; W.B. no. 559
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1919
Availability: No items available.

542.
A study of Allocarya. By Charles V. Piper. by Series: Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium ; v. 22, pt. 2
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1920
Availability: No items available.

543.
The North American species of Asterella, by Alexander W. Evans. by Series: U. S. National museum. Contributions from the U.S. National herbarium ; v. 20, pt. 8
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1920
Availability: No items available.

544.
Scrophulariaceae of the central Rocky mountain states, by Francis W. Pennell. by Series: Smithsonian institution. United States National museum. Contribuitons from the United States National herbarium ; v. 20, pt.9
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1920
Availability: No items available.

545.
Instructions for erecting and using Weather Bureau nephoscope, 1919 pattern. Prepared by Benjamin C. Kadel. by Series: United States. Circular I ;
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1920
Availability: No items available.

546.
Directory of American agricultural organizations, 1920. Prepared in the Office of Farm Management and Farm Economics. by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1920
Availability: No items available.

547.
548.
In the open. the national forests of Washington. Series: United States. Departmental circular ; 138.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Washington, Govt. print. off., 1920]
Availability: No items available.

549.
Flora of Glacier National Park, Montana, by Paul C. Standley. by Series: Smithsonian Institution. United States National Museum. Contributions from the United States National Herbarium ; v. 22, pt.5
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1921
Availability: No items available.

550.
The North American species of Pennisetum. By Agnes Chase. by Series: Smithsonian institution. U.S. National museum. Contributions from the U.S. National herbarium. v. 22, pt. 4
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1921
Availability: No items available.

551.
Revisions of the genera Acanthospermum, Flourensia, Oyedaea, and Tithonia, by S. F. Blake. by Series: Smithsonian institution. United States National museum. Contributions from the United States National herbarium ; v. 20, pt.10
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1921
Availability: No items available.

552.
Some relations of temperature to growth and infection in the citrus scab fungus Cladosporium citri. by Series: U. S. Dept . of agriculture. Journal of agricultural research
Material type: Text Text; Format: print available online remote; Literary form: Not fiction
Publication details: Washington, 1921
Online resources:
Availability: No items available.

553.
Bibliography on the climate of South America, by Margaret M. Welch. by Series: United States Weather bureau. Monthly weather review. Supplement ; no. 18
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print off., 1921
Availability: No items available.

554.
A biological survey of Alabama. I. Physiography and life zones. II. The mammals. By Arthur H. Howell. by Series: U.S. Bureau of biological survey. North American fauna ; no. 45
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1921
Availability: No items available.

555.
Home canning of fruits and vegetables. by Series: Farmers' bulletin (United States. Department of Agriculture) ; 1211.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington : Govt. Print. Off., 1921
Availability: No items available.

556.
Effect of winter rations on pasture gains of yearling steers. By E.W. Sheets and R.H. Tuckwiller ... Issued October 20, 1920; rev. November 18, 1921. by Series: United States. Bulletin ; no. 870.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [Government Printing Office] 1921
Availability: No items available.

557.
The identification of Berberis aquifolium and Berberis repens, by Charles V. Piper. by Series: Smithsonian institution. United States National museum. Contributions from the United States National herbarium ; v. 20, pt.11
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. print. off., 1922
Availability: No items available.

558.
New plants from Guatemala and Honduras, by S. F. Blake. by Series:
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, Govt. Print. Off., 1922
Availability: No items available.

559.
560.
Red cedar chests as protectors against moth damage. By E.A.Back ... and Frank Rabak ... by Series: United States. Bulletin ; no. 1051.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [Govt. Print. Off.] 1922
Availability: No items available.

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