1 These are research materials that are necessary to perform research. 2  All inventions, discoveries and knowledge can become research tools. 3  Universities and public research institutions have many resources that can be considered research tools.
Waldo, Kansas. Waldo is a city in Russell County, Kansas, United States. As of the 2010 census, the city population was 30. Contents.
Waldo Water Tower (Kansas City, Missouri) Not to be confused with Waldo Water Tower (Waldo, Arkansas). The Waldo water tower, officially called the Frank T. Riley Memorial, is a white, castle-like tower in the Waldo neighborhood of south Kansas City, Missouri. The structure was a functioning water tower from 1920 until 1957. The tower was pictured each year from 1929 to 1946 in the World Book Encyclopedia as an early example of reinforced concrete.