Excavations at the LoDaisKa Site in the Denver, Colorado area

by H. T. Irwin; Cynthia Irwin-Williams

Igneous		Sandstone
Flat  Boulder	Shaped	Slab	Shaped
				24
				28
				32
				36
				40
				44
1				48
				52
				56
				60
3	1	1		64
1	1	1		68
3	1	1		72
3	1			76
	2		1	80
				84
				88
	1			92
				96
				100
1				104
				108
				112

TABLE IV

Grinding Slabs, Fragmentary Specimens

Igneous												Sandstone
Two Sides Used						One Side Used						Two Sides Used							One Side Used
Pecked						Pecked									Pecked							Pecked
Thickness   in   inches
½ - ¾	¾ - 1½	1½ - 3	½ - ¾	¾ - 1½	1½ - 3	½ - ¾	¾ - 1½	1½ - 3	½ - ¾	¾ - 1½	1½ - 3	½ - ¾	¾ - 1½	1½ - 3	½ - ¾	¾ - 1½	1½ - 3	½ - ¾	¾ - 1½	1½ - 3	½ - ¾	¾ - 1½	1½ - 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

TABLE V

Handstones

Igneous							Sandstone
Biface			Uniface				Biface			Uniface
Four Plane			Four Plane				Four Plane Pecked
Pecked		Pecked				Pecked				Pecked
													28
													32
													36
1							1					1	40
			2										44
													48
			6			1		3					52
			2	2									56
1	2		2		1	1						2	60
								1	1				64
1	1					4							68
	1					1	1						72
													76
												1	80
									1				84
			2				2						88
1			2										92
								1					96
		1											100
													104
													108
						1							112

Figure 43— Large milling stones.
Above, granite. Below, sandstone.