ILLUSTRATIONS.

PLATE I. A, Sagebrush upland south of Freedom, showing alluvial fan;
B, cultivated fields south of Ephraim___

II. Reconnaissance geologic map of Sanpete and central Sevier
valleys___

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III. Structural sections across Sanpete and central Sevier valleys__
IV. A, Fault spring west of Fountain Green; B, the Wasatch
monocline and Manti Creek.

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V. Map showing approximate depth to ground water and location
of wells and springs in central Sevier Valley.

VI. Map showing approximate depth to ground water and location
. of wells and springs in Sanpete Valley.

FIG. 1. Map of Utah, showing position of Sanpete and central Sevier valleys

2. Hypothetical section across Sanpete Valley.

3. Diagrammatic section at Richfield Spring.

4. Diagrammatic section at Morrison Tunnel Spring.

5. Section illustrating a tunnel in the valley deposits___

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