Hayes, river, c.300 mi (480 km) long, rising in a lake NE of Lake Winnipeg, central Manitoba, Canada, and flowing NE to Hudson Bay. It was the chief route used by Hudson's Bay Company traders ...

Hays, Will H., 1879–1954, American politician and motion-picture executive, b. Sullivan, Ind.; his original name was William Harrison Hays. Hays became active in Indiana political affairs, was...

Hay baler, farm machine that packs and ties (or wraps in plastic) field-dried hay into bundles, called bales, for convenient handling, storage, and shipping. It ordinarily picks up hay that ha...

Hayes, Roland, 1887–1976, American tenor, b. Curryville, Ga. The son of a former slave, Hayes studied at Fisk Univ. and with private teachers in Boston and in Europe. As one of the foremost in...

Hayes, Helen, 1900–1993, American actress, b. Washington, D.C., as Helen Hayes Brown. She made her New York stage debut at the age of nine. Performances in Caesar and Cleopatra (1925), and Mar...

Hay fever, seasonal allergy causing inflammation of the mucous membranes of the nose and eyes. It is characterized by itching about the eyes and nose, sneezing, a profuse watery nasal discharg...

Hay, wild or cultivated plants, chiefly grasses and legumes, mown and dried for use as livestock fodder. Hay is an important factor in cattle raising and is one of the leading crops of the Uni...

Hay, John (Milton), 1838–1905, American author and statesman, b. Salem, Ind. He practiced law at Springfield, Ill., where he met Abraham Lincoln. Hay accompanied Lincoln to Washington and was ...

Hayes, Rutherford Birchard, 1822–93, 19th President of the United States (1877–81), b. Delaware, Ohio, grad. Kenyon College, 1843, and Harvard law school, 1845. He became a moderately successf...

Hay, river, c.530 mi (850 km) long, rising in several headstreams in NE British Columbia and NW Alta., Canada, and flowing generally NE through NW Alta., over Alexander Falls, and into Great S...