Nathan C. Grover

• Surface water supply of the United States 1913. Part I. North Atlantic Coast Basins
• Surface water supply of the United States, 1914
• Surface water supply of the United States, 1915
• Surface water supply of the United States, 1916
• Surface water supply of the United States, 1918
• Surface water supply of the United States, 1919-1920
• Surface water supply of the United States, 1921
• Surface water supply of the United States, 1922
• Surface water supply of the United States, 1936