MATERIAL	LBS PER CU YARD	HEIGHT (level)
ASHES	1,107	20"
CLAY, DRY	1,836	15"
CLAY, WET	3,078	9"
CONCRETE, ASPHALT	3,780	7"
CONCRETE, GRAVEL	4,050	6"
EARTH, LOAM, DRY	2,106	13"
EARTH, MOIST	2,430	11"
EARTH, WET	2,700	10"
EARTH, SOFT LOOSE MUD	2,916	9"
GRANITE, BROKEN	2,781	10"
GRAVEL, LOOSE, DRY	2,565	11"
GRAVEL, W/SAND, NATURAL	3,240	8"
GRAVEL, DRY 1/4 TO 2 INCH	2,835	9"
GRAVEL, WET 1/4 TO 2 INCH	3,375	8"
GYPSUM, BROKEN	3,051	9"
LIME, STONE, LARGE	4,536	6"
LIME, STONE, LUMP	2,592	10"
LIMESTONE, PULVERIZED	2,349	12"
MUD, PACKED	3,213	8"
PEAT, DRY	675	20"
PEAT, MOIST	1,350	20"
PEAT, WET	1,890	15"
PHOSPHATE ROCK, BROKEN	2,970	9"
QUARTZ, LUMP	2,619	10"
SAND, WET	3,240	8"
SAND, DRY	2,700	10"
SAND W/GRAVEL, DRY	2,916	9"
SAND W/GRAVEL, WET	3,375	8"
SHALE, BROKEN	2,673	10"
SLATE, BROKEN	2,808	10"
SLATE, PULVERIZED	2,295	12"
SODA ASH, HEAVY	1,620	17"
STONE, CRUSHED	2,700	10"
TAR	1,944	14"
TRAP ROCK, BROKEN	2,943	9"