Historical Aerial Photography for Alexander County, Illinois

ILHAP County Code: BFZ Flightline Orientation: North to South Number of Flightlines: 11 Year of Photography: 1938 Photo Index: Alexander (5.9 Mb) Index Data: alexander.zip (coming soon) Target Compression Ratio: 6:1 Average Compressed File Size: 6.12 Mb

Highlighted table cells indicate files that best delineate the county boundary. The shape of the county is distorted in the flight line direction. Links are displayed by exposure number. File names include codes for county, roll number, and exposure number.

Flightline	1	2	3	4	5	6	7	8	9	10	11
North to South	West to East
			31	73	75		125	192	228
			32	72	76	47	126	193	227
	1	24	33	71	77	46	127	194	226	236
	2	23	34	70	78	45	128	195	225	235
	3	22	35	69	79	44	129	196	224	234
	4	21			80	43
	5	20	36	7			130	197	223	233
	6	19	37	8	81	42	131	198		232
	7	18	38	9	82	41	132		222
	8			10	83	40		199		231
	9	17	39				133	200	221
		16	40	11	84	39	134	201	220
		15	41	59	85	38	135	202	219
		14	42	58	86	37	136		218
		13	43	57	87	36	137	203
		12	44	56	88	35	138	204
		11	45	55				205
		10		54	89	34	139	206
			46	53	90	33	140	207
			47	52	91	32	12		171	149
				51	92	31	13	208	172	150
				50	93	30	14	209
				49	94	29	15	210	173	151
				48			16	211	174	152	170
					95	28		212	175	153	169
					96	27	17		176	154	168
					97	26	19	213	177	155	167
					98	25	20	214	178	156	166
						24	21	215		157	165
							22	216		158	164
							23	217		159	163
											160	162
											161