2. The Population and Area of the State by Counties. 159 8. Value of Maryland Live Stock Products for 1909... 162 9. Maryland Lumber and Timber cut by Counties for 1914.. 163 10. Maryland Manufactures for 1910...... 164 11. Altitudes in Maryland by Counties. 165 PAGE 42 43 45 47 FIGURE ILLUSTRATIONS 1. View of the State House at Annapolis.... 2. View of City Hall, Baltimore..... 3. View of Mason and Dixon Line monument stones. 4. Map showing density of population.... 5. View of Wye House, a Colonial Mansion in Talbot County... 6. View of Homewood, built by Charles Carroll of Carrollton in 1804. On grounds of the Johns Hopkins University.... 7. View of the historic Wye Oak, Wye Mills, Talbot County... 8. Fort Frederick, Washington County, built in 1756. Where Washington fitted out his Expedition against Fort Duquesne in the French and Indian War ....... 9. Entrance to the Chesapeake and Delaware Canal at Chesapeake City, Cecil County 10. Toll House on National Road, built after the State took control of the road in 1834........ 11. A modern highway near Princess Anne, Somerset County.. 12. The Baltimore and Ohio Railroad in 1830, 1832, and 1858.. 61 62 63 13. A modern all-steel coal train on the Baltimore and Ohio Railroad. 64 14. Map showing the physiographic provinces.... 71 15. Sand dunes near Ocean City, Worcester County.. 73 16. View of a sand spit, mouth of Fairlee Creek, Kent County. 73 17. View showing the nearly-horizontal Miocene formations of the Calvert Cliffs, Calvert County..... 74 18. Diagram showing relative position of Coastal Plain Terraces. 76 22. Geological section Westminster to Baltimore. ..... 19. Geological section Port Deposit to Sassafras River.. 20. Geological section Washington to Calvert Cliffs.. 21. Geological section Cambridge to Atlantic Ocean.. 23. Geological section Green Spring Valley to Federal Hill. 24. View of the gorge of the Susquehanna River between Harford and Cecil counties 76 79 79 82 83 85 25. The Great Falls of the Potomac.. 85 26. Geological section Big Savage Mountain to the Blue Ridge... 91 27. View of the valley of Monroe Run eroded in the Schooley peneplain of the Alleghany Plateau........ 92 28. Crabtree Creek 93 29. View of Swallow Falls, Youghiogheny Valley, Garrett County... 30. View showing folded Silurian rocks of the Appalachian region, Wash FIGURE PAGE 33. Map showing rainfall... 101 .... 34. Beginning of a mine at an outcrop of the Big Vein near Lonaconing, Allegany County 104 35. Main entrance to Bluebaugh Mine, near Barrelville, Allegany County.. 104 36. Map showing distribution of the clays... 106 37. Beaver Dam Marble quarry, Cockeysville, Baltimore County.. 107 38. Granite quarry at Port Deposit...... 39. Map showing distribution of building stones.. 108 111 40. Map showing the valuations of farm buildings... 117 41. Map showing the relative annual production of corn... 42. Map showing the relative annual production of wheat. 43. Kent County farm lands of the Talbot terrace plain.. 44. Harvesting wheat in Kent County...... 118 119 121 121 45. Farming lands near Leonardtown, St. Mary's County. 46. Tobacco field in Charles County.... 122 122 47. Map showing the acreage in canning crops... 56. Hemlock forest, Sideling Creek, Washington County. 48. Map showing the relative annual production of tobacco. 49. Type of barn in Carroll County.... 50. Cattle raising and dairying in Carroll County... 51. Map showing the relative annual production of milk.. 55. Saplings of Loblolly Pine, St. Mary's County. . . . 57. A boat-load of oysters, Somerset County... 58. A fish hatchery...... 123 124 126 126 127 128 129 129 130 131 133 133 63. A blast furnace of the Bethlehem Steel Company, Sparrows Point. 139 64. Ore docks at Sparrows Point..... 139 65. Delivering sweet corn at cannery, Easton, Talbot County. 140 66. View of Baltimore harbor and sky-line.... 141 67. The lower harbor from historic Fort McHenry. 142 68. Light Street wharves at the head of Baltimore's harbor... 142 69. View of Cumberland and the "Narrows" of Wills Mountain.. 73. Diagram showing relative position of Coastal Plain terraces. 175 74. Map showing the annual precipitation... 226 75. Map showing the drainage basins... 227 76. Diagrammatic section showing the relation of water table to surface irregularities 232 FIGURE 77. Diagram showing the loss in head by friction and leakage.. PAGE 232 233 234 235 81. Diagram showing a deep-seated spring....... 235 82. Diagram showing right and wrong locations for wells... 237 83. Diagram showing relations between depth and an unfailing supply of water 237 84. Diagram showing the action of clays or shales in confining water in sand or sandstone..... 238 90. Map of the Baltimore district showing water horizons. 339 |
