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| Bedrock Milling Feature | Bedrock Milling Feature |
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| Excavating Unit 35 Toward Bedrock; Note Abundant Fire-Altered Rock | Excavating Unit 36 Toward Bedrock; Fire-Altered Rock is Also Abundant Here |
PREHISTORIC
FEATURES AND ARTIFACTS
FROM SDI-15547 -- Part I
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| Bedrock Milling Feature | Bedrock Milling Feature |
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| Excavating Unit 35 Toward Bedrock; Note Abundant Fire-Altered Rock | Excavating Unit 36 Toward Bedrock; Fire-Altered Rock is Also Abundant Here |
