Mineral resource research and activities of the State Geological Survey, 1953-1954Morris M. Leighton · First published 1955Open the Tome
Mineral resource research and activities of the State Geological Survey, 1948-1949Morris M. Leighton · First published 1950Open the Tome
Where to find information on mineral raw materialsMorris M. Leighton · First published 1950Open the Tome
Southern Illinois mineral resources and industriesMorris M. Leighton · First published 1949Open the Tome
Mineral resource research, 1946-1947, by the Illinois State Geological SurveyMorris M. Leighton · First published 1948Open the Tome
Operation of the Illinois State Geological SurveyMorris M. Leighton · First published 1946Open the Tome
The historical development of the Illinois coal industry and the State Geological SurveyMorris M. Leighton · First published 1943Open the Tome
Illinois' mineral resources, mapped by geological survey, important in warMorris M. Leighton · First published 1942Open the Tome
The research work and public activities of the State Geological SurveyMorris M. Leighton · First published 1940Open the Tome
Summary Information on the State Geological Surveys and the United States Geological SurveyMorris M. Leighton · First published 1932Open the Tome
Weathered zones of the drift-sheets of IllinoisMorris M. Leighton · First published 1930Open the Tome
The road building sands and gravels of WashingtonMorris M. Leighton · First published 1919Open the Tome
