MATERIAL	LBS PER CU YARD	HEIGHT (level)
ASHES	1,107	21"
CLAY, DRY	1,836	19"
CLAY, WET	3,078	12"
CONCRETE, ASPHALT	3,780	10"
CONCRETE, GRAVEL	4,050	9"
EARTH, LOAM, DRY	2,106	18"
EARTH, MOIST	2,430	15"
EARTH, WET	2,700	14"
EARTH, SOFT LOOSE MUD	2,916	13"
GRANITE, BROKEN	2,781	13"
GRAVEL, LOOSE, DRY	2,565	14"
GRAVEL, W/SAND, NATURAL	3,240	11"
GRAVEL, DRY 1/4 TO 2 INCH	2,835	13"
GRAVEL, WET 1/4 TO 2 INCH	3,375	11"
GYPSUM, BROKEN	3,051	12"
LIME, STONE, LARGE	4,536	8"
LIME, STONE, LUMP	2,592	14"
LIMESTONE, PULVERIZED	2,349	15"
MUD, PACKED	3,213	11"
PEAT, DRY	675	21"
PEAT, MOIST	1,350	21"
PEAT, WET	1,890	19"
PHOSPHATE ROCK, BROKEN	2,970	12"
QUARTZ, LUMP	2,619	14"
SAND, WET	3,240	11"
SAND, DRY	2,700	14"
SAND W/GRAVEL, DRY	2,916	13"
SAND W/GRAVEL, WET	3,375	11"
SHALE, BROKEN	2,673	14"
SLATE, BROKEN	2,808	13"
SLATE, PULVERIZED	2,295	15"
SODA ASH, HEAVY	1,620	20"
STONE, CRUSHED	2,700	14"
TAR	1,944	18"
TRAP ROCK, BROKEN	2,943	13"