maps

Houston Activity: Texas Rocks

An Earth Science Week Houston classroom activity.

Karst, Sinkholes, and Human Activity

Karst, Sinkholes, and Human Activity

Scientists, engineers, and others create geologic maps to determine the best places for people to settle, build, farm, and use land in a variety of ways. They also use geologic maps to monitor the ways that human activity might be changing the land itself over time.

Visualizing terrain with maps

Traditional geologic maps — sometimes crisscrossed with lines, blotted with colors, and marked with strike and dip symbols — have been used to depict the geologic makeup of the Earth for many years. New technologies such as satellite-enabled remote sensing are allowing geoscientists to create and use maps of greater richness and complexity than ever before.
 

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