Catoctin Mountain, soils of, 219.
Catskill formation, 136.
Cayuga formation, 132.
Cecil County, area of, 33.
county town of, 33.
election districts of, 472.
erection of, 33.
history of formation of, 468.
population of, 33.
road work in, 286, 344.
Cement products, 198.
Chamberlin, T. C, 94.
Chambersburg limestone, 130.
Charles County, area of, 33.
county town of, 33.
election districts of, 477.
history of formation of, 474.
population of, 33.
road work in, 346.
Charles County (old), 422, 474.
Charleston Exposition, 267.
awards at, 269.
exhibits at, 267.
Chemung member, 136.
Chesapeake group, 156.
Choptank formation, 97, 156.
Chrome, 206.
Clarion coal, 139.
Clarion sandstone, 139.
Clark, W. B., 27, 28, 50.
Clarksburg limestone, 140.
Clays and clay products, 191.
Climate of Maryland, 224.
Clinton formation, 131.
Coals of Maryland, 167.
analyses of, 169.
seams, positions of, 170.
Coastal Plain of Maryland, 56, 144.
forestry of, 249.
formations of, 145.
railroads of, 71.
soils of, 69.
terraces of, 58.
waterways of, 70.
Cockeysville marble, 109.
Coeymans member, 134.
Columbia group, 160.
Conemaugh formation, 97, 140.
Connellsville sandstone, 140.
Conrad, T. A., 44.
Constitutionality of new State Aid road
law, 303.
Copper, 206.
Cost of road work, 389.
County names, origin of, 421.
County seats, 33.
Counties of Maryland, their origin, boun-
daries, and election districts,
419.
method of erecting, 422.
time of erecting, 420.
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Cretaceous period, 148.
characteristic fossils of, 256.
Crinoidal coal, 140.
Crinoidal limestone, 140.
Crosby, W. W., 323.
D
Darton, N. H., 51.
Davis coal, 139.
Deakins, Francis, survey by, 32.
Devonian period, 133, 134.
characteristic fossils of, 253.
Diabase discussed, 118, 123.
Dielman, L. H., 463.
Dorchester County, area of, 33.
county town of, 33.
election districts of, 483.
history of formation of, 477.
population of, 33.
road work in, 287, 347.
Ducatel, J. T., 45.
Dunkard formation, 97, 141.
Durham County, 422, 566.
E
Eastern Shore, soils of, 212.
Education in Maryland, 39.
Elbrook limestone, 129.
Election districts, 427.
Elkgarden formation, 141.
Elklick coal, 140.
Ellicott City granite, 174.
Eocene, 153.
characteristic fossils of, 257.
Erecting counties, method of, 422.
Exhibits of Mineral Resources, 261, 263.
at Annapolis, 276.
at Buffalo, 264.
at Charleston, 267.
at St. Louis, 270.
F
Fairfax formation, 140.
Farquhar, H. S., 291.
Fassig, O. L., 27, 28.
Feldspar, 197.
Ferruginous limestone, 139.
Fire clays, 194.
First report on State Highway Construc-
tion, 323.
Flint, 196.
Fontaine, Wm. M., 142.
Forestry of Maryland, 246.
Formations represented in Maryland, 97.
Formations of Appalachian region, 125.
Formations of Coastal Plain, 145.
Formations of Piedmont Plateau, 105,
119.
" Fourteen-foot Vein," 141.
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