"Table 5. Data for figure 5, approximate water-level changes in the Chicot aquifer, Houston-Galveston region, Texas, 1977-2007."								
Index number	USGS site number	State well number	"2007 Water-level altitude, in feet above NGVD 29"	"1977 Water-level altitude, in feet above NGVD 29"	"Difference, in feet"			
6	290834095384201	BH-65-51-901	-37	-25	-12			
7	290939095480601	BH-65-50-802	11	11	0			
14	291545095202401	BH-65-46-702	-19	-15	-4			
15	291859095152601	BH-65-46-610	-51	-47	-4			
18	291949095024801	KH-65-48-502	-43	-93	50			
17	291948095135401	BH-65-47-401	-47	-60	13			
19	292037095010501	KH-65-48-316	-40	-101	61			
20	292054095171901	BH-65-46-301	-53	-39	-14			
25	292208095042701	KH-65-48-204	-48	-106	58			
22	292138095435801	JY-65-43-101	-4	-3	-1			
23	292204095281301	BH-65-45-102	-41	-32	-9			
30	292314094563001	KH-64-33-802	-30	-142	112			
31	292324094573801	KH-64-33-701	-45	-149	104			
32	292327094575901	KH-64-33-710	-48	-170	122			
35	292359095501601	JY-65-34-701	22	24	-2
46	292548094565601	KH-64-33-501	-36	-148	112
40	292456095560101	JY-65-33-801	42	48	-6
47	292605095571301	JY-65-33-502	47	52	-5
51	292859095380501	JY-65-35-304	-71	-35	-36
53	292903095375501	JY-65-35-302	-46	-28	-18
56	292927095195801	BH-65-38-201	-42	-62	20
61	293005095151801	BH-65-30-902	-98	-167	69
67	293202095070301	LJ-65-32-739	-94	-196	102
73	293247095054601	LJ-65-32-407	-96	-199	103
76	293306095050801	LJ-65-32-422	-86	-211	125
79	293344095082301	LJ-65-31-605	-95	-199	104
80	293348095070602	LJ-65-32-426	-90	-156	66
98	293909095012201	LJ-65-24-902	-84	-242	158
99	293946095441701	JY-65-19-704	-24	11	-35
104	294158095024701	LJ-65-24-501	-86	-290	204
110	294322095041701	LJ-65-24-202	-57	-255	198
114	294342095034601	LJ-65-24-211	-98	-266	168
120	294433095044701	LJ-65-24-215	-77	-208	131
116	294400095510801	JY-65-18-101	17	33	-16
123	294504094553601	DH-64-09-811	-62	-140	78
121	294458095044601	LJ-65-24-209	-83	-246	163
125	294521094545901	DH-64-09-924	-60	-133	73
126	294523094544401	DH-64-09-921	-54	-124	70
127	294527095014901	LJ-65-16-904	-81	-233	152
130	294527095014910	LJ-65-16-930	-80	-238	158
132	294601095041901	LJ-65-16-814	-86	-230	144
134	294602095092405	LJ-65-15-920	-89	-226	137
131	294538095344601	LJ-65-12-801	-120	-76	-44
135	294613095172601	LJ-65-14-912	-137	-256	119
150	295505095462201	LJ-65-02-612	35	56	-21
152	295616095170101	LJ-65-06-601	-97	-136	39
155	295631095315001	LJ-65-04-601	-196	-100	-96
157	295646095324601	LJ-65-04-514	-219	-111	-108
158	295650095322301	LJ-65-04-612	-203	-123	-80
162	295840095525901	LJ-65-01-301	175	174	1
164	295910095443501	LJ-65-03-104	59	116	-57
170	300521095365101	LJ-60-60-103	43	109	-66