01241cam a22002771 4500 agr22001235 DLC 20260227110943.0 820823s1922 dcuabd f001 0 eng c agr22001235 (OCoLC)8711545 U. S. Dept. of Agr. Library NcU OCoLC DLC premarc QC983 .A21 no. 21 1 W37Ma no. 21 Meisinger, Clarence LeRoy, 1895-1924. The preparation and significance of free-air pressure maps for the central and eastern United States, by C. LeRoy Meisinger. Washington, Govt. Print. Off., 1922. 77 p. illus., maps, diagrs., xxii charts on 11 l. 31 cm. U. S. Weather Bureau. Monthly weather review. Supplement no. 21 At head of title: ... U. S. Dept. of Agriculture. Weather Bureau ... Thesis (Ph. D.)--George Washington University, 1922. Abstract published in U. S. Dept. of Agriculture. Weather Bureau. Monthly weather review, v. 50, no. 9, p. 453-468. September 1922. Atmospheric pressure Charts, diagrams, etc. Free-air pressure maps for the central and eastern United States. 8819 8819