Kansas coal fields / Raymond C. Moore -- Methods of mining and preparation of coal / C. A. Herbert and C. W. Owings -- Production, distribution, and use / F. G. Tryon -- Relation of mine samples to commercial shipments / N. H. Snyder and L. N. Plein -- Analyses of delivered coal / N. H. Snyder and L. N. Plein -- Analyses of mine samples / A. C. Fieldner, H. M. Cooper, and F. D. Osgood -- Description of samples / J. N. Geyer and F. D. Osgood.