Nathan C. Grover has written:
'Surface water supply of the United States, 1916' -- subject(s):
Water-supply, Stream measurements
'Surface water supply of the United States, 1914' -- subject(s):
Water-supply, Stream measurements
'Surface water supply of the United States, 1918' -- subject(s):
Water-supply, Stream measurements
'Surface water supply of the United States, 1921' -- subject(s):
Water-supply, Stream measurements