C. P. Mangelsdorf

UOM:39015078477497

Mine roof control

Richard A. Allwes / C. P. Mangelsdorf

UOM:39015078475202

Mine roof control

Richard A. Allwes / C. P. Mangelsdorf

OSU:32435025836198

Metal arches

Richard A. Allwes / C. P. Mangelsdorf / Deno M. Pappas

UOM:39015078469353

Mine roof control

Richard A. Allwes / C. P. Mangelsdorf

LCCN:89600349

Mine roof control

C. P. Mangelsdorf

OCLC:247287581

C. P. Mangelsdorf / United States. Bureau of Mines. Office of the Assistant Director--Mining / University of Pittsburgh. Department of Civil Engineering

OCLC:10626053

Mine roof bolting

C. P. Mangelsdorf

OCLC:31157264

C. P. Mangelsdorf / United States. Bureau of Mines / University of Pittsburgh. Mining Engineering Division

OCLC:13784235

Mine roof bolting

Daryl R. Tweeton / Donna D. Harbuck / Jeffrey Shawn Peterson / L. Garner McDonald / Lawrence W. Scott / Richard A. Allwes / Ronald S. Conti / Thomas M. Barczak / Yael Miron / Alex C. Smith / Arthur J. Hudson / C. P. Mangelsdorf / Charles D. Litton / David F. Gearhart / Kent S. Roessler / Charles P. Lazzara / Michael James Jackson

OCLC:23082001

BOMCRATR.

Ann G. Kim / August J. Kwitowski / D. D. Harbuck / David H. Carlson / J. E. Chilton / Jeffrey Shawn Peterson / John A. Organiscak / L. Garner McDonald / Michael J. Friedel / Richard A. Allwes / Thomas M. Barczak / Yael Miron / Albert L. Brautigam / C. P. Mangelsdorf / Charles P. Lazzara / Clarence R. Carpenter / David F. Gearhart / James A. Jessop / Steven J. Page / Thomas R. Justin / Todd R. Taubert / Alex C. Smith / John F. Miller / John H. Johnson / Michael C. Leigh / Richard E. Thill / Robert A. Jankowski

LCCN:92006230

Abandoned coal mines

Richard A. Allwes / C. P. Mangelsdorf / Deno M. Pappas

OCLC:247285194

C. P. Mangelsdorf / David K. Ingram / Gregory M. Molinda / James C. Cawley / James Philip Bennett / Jeffrey M. Listak / John A. Organiscak / Judith A. Eisele / Larry R. Powell / Thomas M. Barczak / Andrew Cecala / Dan L. Lampshire / David E. Schwemmer / Ronald E. Yarbrough / Timothy M. Barton / Al H. Hunt / Diane M. Doyle-Coombs / Joseph C. Zelanko / Theodore Triplett

LCCN:88600113

Ceramic materials

OCLC:858662324

Richard A. Allwes / C. P. Mangelsdorf / Deno M. Pappas

UOM:39015078469353

Mine roof control

Richard A. Allwes / C. P. Mangelsdorf

UOM:39015077558628

Metal arches

Richard A. Allwes / C. P. Mangelsdorf

UOM:39015078475202

Mine roof control

C. P. Mangelsdorf

UOM:39015078477497

Mine roof control

Alfred Lester Clapp / C. F. Bortfeld / C. P. Wilson / Harold Riley / Leonard W. Schruben / Ralph Langley Parker

UIUC:30112019575189

Alfalfa