Inventory of industrial, metallic and solid-fuel minerals in Kansas / by Hardy, Ronald G.

Some preliminary studies on compositions of lightweight structural shapes by foam methods. by Hardy, Ronald G.

Application of the tri-axial type diagram to the study of concrete masonry batch mixes in plant practice. by Hardy, Ronald G.

Recovery of phosphate from the Cabaniss and Pleasanton shales of Kansas / by Rose, Kenneth E., Hardy, Ronald G.

Kansas industrial mineral development : a feasibility study for the production of filter aids from Kansas volcanic ash /

Other Authors: “…Hardy, Ronald G.…”

A symposium on industrial mineral exploration and development ; proceedings /

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Kansas mineral industry ... 1962 : with Directory of Kansas mineral producers / by Muilenburg, Grace

Other Authors: “…Hardy, Ronald G.…”