Table 4.—Drillers' logs of selected wells and test borings in the lower Androscoggin River basin—Continued
	Thick- ness	Depth		Thick- ness	Depth		Thick- ness	Depth
ANDROSCOGGIN COUNTY—Continued			ANDROSCOGGIN COUNTY—Continued			CUMBERLAND COUNTY		
An 969. Alt. 173 ft. Log of test boring			An 978. Alt. 176 ft. Log of test boring			C 1. Alt. about 40 ft. Log of test		
by State Highway Comm.			by State Highway Comm.			hole drilled for Brunswick and Tops-		
Marine deposits:			Marine deposits:			ham Water Dist.		
Stiff, brown, weathered silty clay . .	10	10	Firm, brown silty clay, weakened by			Marine deposits:		
Medium consistency, gray, varved, sen-			remolding 		15	15	Clay		160	160
sitive silty clay with sand and sandy			Outwash or marine deposits:			Bedrock 		30	190
layers up to 24 inches thick ....	61	71	Firm, brown, thinly bedded, very fine					
Till (?):			sand, silt and plastic clay ....	7	22	C 2. Alt. about 90 ft. Log of test		
Sand and gravel 		2	73	Fine, brown sand, moderately firm . .	13	35	hole drilled for Brunswick and Tops-		
						ham Water Dist.		
An 970. Alt. 184 ft. Lo^ of test boring			An 979. Alt. 102 ft. Log of test boring			Outwash:		
by State Highway Comm.			by State Highway Comm.			Topsoil		1	1
Alluvium:			Alluvium:			Brown sand 		19	20
Loose, brown, stratified, organic sand			Fine, dark, micaceous sand containing			Gravel and clay (some iron rust) . .	10	30
with pieces of wood 		10	10	pieces of decayed wood and some			Gray sand and mica 		40	70
Marine deposits:			gravel, very soft and loose ....	10	10	Marine deposits:		
Medium consistency, gray, varved, sen-			Outwash (?):			Blue clay. . 		80	150
sitive silty clay			24	34	Gravel, and brown, coarse and fine			Blue clay and fine sand 		10	160
Medium consistency, gray, varved, sen-			sand and silt and lean clay ....	12.5	22.5			
sitive silty clay with sand and sand			Bedrock:			C 3. Alt. about 80 ft. Log of test hole		
layers				28	62	Granite 		7	29.5	for Brunswick and Topsham Water Dist.		
Till (?):						Outwash:		
Medium density, gray sand and gravel .	3	65	An 980. Alt. 92 ft. Log of test boring			Topsoil		1	1
			for State Highway Comm.			Brown sand 		29	30
An 971. Alt. 183 ft. Log of test boring			Alluvium:			Quicksand 		45	75
by State Highway Comm.			Stratified very fine brown sand, silt,			Marine deposits:		
Alluvium:			and lean clay, containing scattered			Blue clay ... 		58	133
Loose, brown sand with organic silt			gravel 		12.3	12.3	Early stratified drift:		
layers 		9	9	Bedrock:			Blue sand 		11	144
Marine deposits:			Granite 			7.6	19.9	Coarse sand 		8	152
Soft, becoming medium consistency with						Bedrock at 			152
depth, gray, varved, sensitive silty			An 981. Alt. 199 ft. Log of test borinj					
clay .... 		29	38	for State Highway Comm.			C 4. Alt. about 50 ft. Log of test hole		
Medium consistency, gray, varved, sen-			Alluvium:			for Brunswick and Topsham Water Dist.		
sitive silty clay with sand and sand			Very soft, dark gray-brown organic			Outwash:		
layers 	 		21	59	muck containing some fine sand. . .	8	8	Topsoil			1	1
Till (?):			Marine deposits:			Gray beach sand 		34	35
Medium density, gray sand and gravel .	2.5	61.5	Soft, blue-gray clayey silt containing			Marine deposits:		
Refusal at 				61.5	many fine-sand partings. Severely			Blue clay		25	60
			weakened by moulding			4	12	Till:		
An 972. Altl 204 ft. Test boring for			Alternating layers of medium clayey			Sharp, 1/4-inch granite	1	61
State Highway Comm.			silt and cohesionless, silty, fine			Bedrock . . 		1	62
Outwash:			sand		6	18			
Loose, fine, brown sand, changing to			Soft, blue-gray, cohesionless silt			C 5. Alt. about 50 ft. Log of test hole		
sandy silt with depth			15	15	and very fine sand with some thin			for U. S. Navy.		
Marine deposits:			layers of soft silt clay		9.5	27.5	Swamp deposits:		
Stiff, brownish-gray, sandy silty clay	4	19	Till (?):			Peat			2	2
Stiff, sensitive, gray, varved clay. .	8	27	Compact, gray, clean sand and gravel,			Outwash:		
Till (?):			gravelly and very dense in lower			Fine, gray sand 		6	8
Medium density, gray sand	2	29	5 feet		10.2	37.7	Marine deposits:		
Dense, brown, silty sandy gravel . . .	11	40	Bedrock:			Clay .... 		24	32
Bedrock:			Schist. 		8	45.7	Fine, gray sand 		2	34
Firm biotite schist		5	45				Fine, gray sand, some gravel ....	10	44
			An 982. Alt. about 250 ft. Log of test			Clay, some fine, gray sand .....	50	94
An 973. Alt. about 130 ft. Log of test			hole for U. S. Geological Survey.			Till:		
boring by State Highway Comm.			Outwash:			Gravel				1	95
Till:			Brown silty sand		5	5	Refusal at 			95
Boulders, silt, sand and gravel . . .	6	6	Brown, silty fine sand 		6	11			
Coarse sand and gravel imbedded in firm			Gray, silty fine sand 		34.5	45.5	C 6. Alt. about 20 ft. Log of test hole		
gray cohesionless silt and fine sand.			Marine deposits:			for U. S. Navy.		
Very compact in lower 14 feet. . . .	18.6	24.6	Gray silty clay			11.5	57	Outwash:		
Bedrock:			Gray, silty sandy clay 		5	62	Fine, gray sand and clay 		8	8
Micaceous gneiss 		8.4	33.0	Gray, silty clayey sand 		4	66	Marine deposits:		
			Gray, silty fine sand ........	6	72	Clay ................	10	18
An 974. Alt. about 120 ft. Log of test			Early stratified drift (?):			Fine, gray sand, some clay 		7	25
boring by State Highway Comm.			Gray coarse sand		 . . . .	4.5	76.5	Clay		46	71
Fill:			Refusal at			76.5	Refusal at . . 			71
Loose gravel, rocks, ashes, fill								
material 		21	21	An 983. Alt. about 250 ft. Log of test			C 7. Alt. about 25 ft. Log of test hole		
Marine deposits:			hole for U. S. Geological Survey.			for U. S. Navy.		
Stiff, gray silt with varves of fine			Marine deposits:			Outwash:		
sand		80	101	Brown sandy clay. ..........	13	13	Fine, gray sand, some clay 		14	14
Very stiff, gray silty clay with varves			Brown, silty fine sand 		5	18	Marine deposits:		
of fine sand 		75	176	Gray silty clay			27	45	Clay, some fine, gray sand .....	81	95
			Gray, silty sandy clay 		3.2	48.2	Refusal at				95
An 975. Alt. about 120 ft. Log of test			Refusal, probably bedrock, at 			48.2			
boring by State Highway Comm.						C 8. Alt. about 20 ft. Log of test hole		
Fill:			An 984. Alt. about 250 ft. Log of test			for U. S. Navy.		
Loose gravel and rocks, ashes, fill			hole for U. S. Geological Survey.			Swamp deposits:		
material 		18	18	Topsoil and fill:			Peat 				4.3	4.3
Marine deposits:			Gravelly sand with some clay		5.5	5.5	Outwash:		
Stiff, gray silt with varves of sand .	90	108	Marine deposits:			Fine, brown sand 		9.7	14
Very stiff, gray silty clay with varves			Gray silty clay; contains a gravel			Fine, gray sand, some clay 		64	78
of fine sand 		24	132	layer from 123 to 124 feet		120.5	126.0	Fine, brown sand 		7	85
			Early stratified drift (?):			Fine, gray sand, some clay 		23.5	108.5
An 976. Alt. 188 ft. Log of test boring by			Gray sandy gravel 		24	150	Refusal at 				108.5
State Highway Comm.								
Ice-contact deposits:			An 985. Alt. about 320 ft. Log of test			C 9. Alt. about 20 ft. Log of test hole		
Very fine, brown sand and silt with a			hole for U. S. Geological Survey.			for U. S. Navy.		
few thin streaks of clay and scatter-			Outwash:			Outwash:		
ed gravel. Very pervious at 9 feet			Brown sand		89	89	Fine, brown sand, some clay. . . ...	10	10
depth. Soft and loose near surface.			Marine deposits:			Fine, gray sand, some clay 		11	21
Increasingly compact with depth. . .	13.6	13.6	Brown sandy clay		3	92	Fine, gray-brown sand, some clay . .	45	66
Boulder, schistose gneiss		4	17.6	Gray sandy clay ....'		11	103	Fine, brown sand 		14	80
			Gray silty clay 		7	110	Fine, gray sand		5	85
An 977. Alt. 211 ft. Log of test boring			Till (?):			Marine deposits:		
by State Highway Comm.			Gray silty clay with traces of sand .	3.5	113.5	Clay at			85
Ice-contact deposits:			Refusal at 			113.5			
Stratified sand and gravel, loose near								
surface, increasingly compact with								
depth. Sands vary from very fine and								
silty to coarse			31	31