Historical Aerial Photography for Randolph County, Illinois

ILHAP County Code: SM Flightline Orientation: West to East Number of Flightlines: 15 Year of Photography: 1940 Photo Index: Randolph NE (4.7 Mb) Photo Index: Randolph NW (3.8 Mb) Photo Index: Randolph SW (2.2 Mb) Photo Index: Randolph SE (4.3 Mb) Index Data: randolph.zip (coming soon) Target Compression Ratio: 6:1 Average Compressed File Size: 5.98 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	West to East
N to S	1											25	26	27	28		29	30	31	32		33	28	27	26	25		24	23	22		21	20	19		18	17	16	15	14	13		12	11	10		9	8	7		6	5	4	3	2	1
	2										36	37	38	39	40	41	42	43	44	79	78		77	76	75	74	73	72	71	70	69	68	67		66	65	64	63	60	61	62	63	64	65	66	67	68		62	61	60	59	58	57	56
	3									87	86	85	84	83	82	1	2		3	4	5	6	7	8	9	10		11	12	13	14	15	16	17	18	19	20		21	22	23	55		54	53	52	51	50	49	48	47	46	45	44	43
	4				75	74	73	72	71	70	69		68	67	66		65	64	63	62		61	60	59	58		17	16	15	14	13	12	11		10	9	8	7	6	5	4	3	2	1	34		35	36	37		38	39	40	41	42
	5	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	19	20	21	22		23	24	25	26	27	28	29	30	31	32		33	34	35	36	37	38	39	40	41	42		43	44	45	46	47
	6					96	95	94	93	92	91	90	89	88	87	86	85	84	83	82	81	80	79	78	77	76	75	74	73	72	102	103	104	105	106	107	108	109	110	111	112	113	114	115	116	88	87	86	85	84	83	82	81	80	79
	7								41	42	43	44		45		46	47	48	49	50	51	52	53	54	55	9	10	11	12	13	14	15	16	17	18	19	20	21	60	61	62	63	64	65	66	67	68	69	70	71	72	73	74	75	76
	8									101	100	99	98	97	96	95		94		93	92	91	90	89	88	87		86	85	84	83	82	81	80	79		78	77	76	75	74	73	72	71		70	69	68	67	66		65	64	63	62
	9															30	31	32	33	34	35	36	37	38	39	40	41	42	43	44		45	46	47	48	49	50	51	52		53	54	55	56	57	58	59	60	61	62	63	64	65	66	67
	10																		12	11	10	9	8	7	6	5	4	37	38	39	40	41	42		43	44	45	46	47	48	49	50		51	52	53	54	55	56	57	58	59	60	61
	11																		79	80	81	82	83	84	85	86	87	88	89	90	91	92		93		94	95	96	97	98	99	100	101	102	103	104	8	7	6	5	4	3	2	1
	12																						29	28	27	26	25	24	23	22	21	20	19	18	17	16	15	14		13	12	11	10		9	8	7	6	5	4	3	2	1
	13																																					81		80	79	78	77	76	75	74	73	72		71	70	69	68
	14																																					82	83	84	85		86		87	88		89	90	91	92	93
	15																																											94	95	96	97	98	99	100