Field Notebook: SD, CO, WY 1967
Page 65
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Transcription
Unit 3 Sand as above. Unit 4 lower 3.5 + ft is lignitic shale + grey shale with thin sand layers at base. Above this appears to be soft brownish yellow sand to clp, but chiefly covered clp is. RB platy conc ledges informilant. Units 5 Include sand unit. Another massive into grey one similar to any in units 2 + 3. Poorly exposed at this place. At top zone large VB concs. (top 10) Unit 6 Sand (as seen in gulley W of section) chiefly fq, gently to locally sharply truncated x 1cm, still generally tabular. Unit 7 Unit 8 Unit 9 Unit 10 30