| A) Global Distribution of Water | B) Hydrologic Cycle |
| C) Groundwater Movement | D) Groundwater Effects |
| E) Sources of Groundwater |

Figure 15.1 Hydrologic cycle.

Figure 15.2 Managing a watershed.
A + C > B ==> Surplus (Noah Effect)
A + C < B ==> Drought (Jonah Effect)
A + C = B ==> Balanced System

Figure 15.3 Groundwater flow.
| Porosity | Examples |
| low < 5 % 5 % < Med < 15 % high > 15 % | ign./metam. rocks sst/lmst/shales sand/gravel/sst/shales volcanics |

Figure 15.4 Seeps and springs.

Figure 15.5 Geologic conditions required for an Artesian system.

Figure 15.6 Artesian systems.

Figure 15.7 Origin of gysers.

Figure 15.8 Old Faithful Gyser of Yellowstone Nat'l Park, WY.
==> Karst topography; subterranean caverns

Figure 15.9 Solution and Terra Rosa in-filling along joints in limestone (Bedford, IN).

Figure 15.10 Solution cavities in quarry wall of Georgia Marble Co. (Tate, GA).

Figure 15.11 Kentucky karsting - sink holes.

Figure 15.12 Karst topography (sink holes), Cape Canaveral, FL.

Figure 15.13 Resurgence of River Stix into floor of Cedar Sink
(Mammoth Cave Nat'l Park, KY).

Figure 15.14 Issuance of River Stix from Mammoth Cave.

Figure 15.15 Varieties of cave deposits.

Figure 15.16 Stalactites and Stalagmites (Carlsbad Caverns, NM).

Figure 15.17 A9A Totem Pole (Carlsbad Caverns, NM).

Figure 15.18 Draperies in the Big Room (Carlsbad Caverns, NM).