The flow of resources from rich to poor /

"November 1961."

Data rich and information poor : a report to the Chief of the Natural Resources Conservation Service /

"November 1995."

Inventory of resource rich areas in Illinois : an evaluation of ecological resources /

"IDNR/EEA-96/08"--T.p. verso.

The seven rich states - the heart of America, whose people should abundantly prosper, but do not; causes and solution.

The states includes are Minnesota, Wisconsin, Iowa, Nebraska, South Dakota, North Dakota and Montana. cf. introduction.