Grinding Slabs, Fragmentary Specimens

+------------------------------+--------------------------------+

| Igneous | Sandstone |

+----------------+-------------+---------------+----------------+

| Two Sides Used |One Side Used| One Side Used | Two Sides Used|

| Pecked | Pecked | Pecked | Pecked |

+-+--+--+--+--+--+-+-+--+-+----+--+-+--+--+-+--+--+-+-+--+-+-+--+

| Thickness in inches |

|½| ¾|1½|½ |¾ |1½|½|¾|1½|½| ¾ |1½|½|¾ |1½|½|¾ |1½|½|¾|1½|½|¾|1½|

|-| -|- |- |- |- |-|-|- |-| - |- |-|- |- |-|- |- |-|-|- |-|-|- |

|¾|1½|3 |¾ |1½|3 |¾|1|3 |¾| 1½ |3 |¾|1½|3 |¾|1½|3 |¾|1|3 |¾|1|3 |

+-+--+--+--+--+--+-+-+--+-+----+--+-+--+--+-+--+--+-+-+--+-+-+--+---

| | | | | | | | | | | | | | | | | | | | | | | | | 20

| | | | | | | | | | | | | | | | | | | | | | | | | 24

| | | | | | | | | | | 1 | |2| | | |1 | | | | |1|1| | 28

| | | | | | | | | | | 1 | |1|2 | | | | | |1| |2|4| | 32

| | | | | | | | | | | | |3|4 | | | | | |1| |1|1| | 36

| | | | | | | | | | | 2 |3 |5|1 |2 | |1 |1 | | | |1|1| | 40

| | | | | | | | | | | | |4|4 | |1|1 | |1| | |1|1| | 44

| | | | |1 | | | | |2| 2 |2 |2|2 |1 |1|1 | | | | |1|2| | 48

| | | | | | |1| |1 | | |1 |3|2 | | | | | |2|1 |1|1| | 52

| | | | | | | | | |1| 2 |3 |3|2 |3 | | | | |1| | | | | 56

| | | | | | | | | |2| 3 |3 |3|2 |1 |1| | |1| | |1|3| | 60

| | |1 | | |1 | | | | | 1 |4 |1|3 |1 |1| | | | | | | | | 64

| | | | | | | | | | | 4 |2 |2|5 |2 | | |1 | | | |1|2|2 | 68

| | | | | | | | | | | 1 |2 |2| | | | | | | | | | | | 72

| | | | | | | | | | | 1 | | |3 |1 | | | | | |1 | |2| | 76

| | | | | | | | | | | 1 |4 |2|2 | | | | | | | | | |2 | 80

| | | | | | | | | |1| |1 |1| |2 |1| | | | | |1| | | 84

| | | | | | | | | | | 2 | | | |1 | | | | | | | | | | 88

| | | | | | | | | | | | |2|3 | | |1 | | | | | | | | 92

| | | | | | | | | | | | | |1 | | | | | | | | | | | 96

| | | | | | | | | | | 1 | | | |1 | | | | | | | | | |100

| | | | | | | | | | | | | |1 | | | | | | | | | |1 |104

| | | | | | | | | | | | | | | | | | | | | | | | |108

| | | | | | | | | | | | | | | | | | | | | | | | |112

| | | | | | | | | | | | | | | | | | | | | | | | |116

+-+--+--+--+--+--+-+-+--+-+----+--+-+--+--+-+--+--+-+-+--+-+-+--+---

Excavations at the LoDaisKa Site in the Denver, Colorado area · 第 60 / 158 题