Geology

Volume, Title, and Unique Books data collected on May 31, 2005.
Circulation statistics for the ALC fiscal year ending May 31, 2005.

Volume Count and Average Age

Counts and average ages of volumes (individual barcoded items) in Geology. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799	1					1
1800-1899	7		1	1	3	12
1900-1909	4		1	2	3	10
1910-1919	12		10	3	1	26
1920-1929	25		32	8	9	74
1930-1939	34		46	14	4	98
1940-1949	39	2	42	15	13	111
1950-1959	100	5	147	81	37	370
1960-1969	75	26	177	146	27	451
1970-1974	53	12	93	77	16	251
1975-1979	55	24	87	87	14	267
1980-1984	68	17	105	141	7	338
1985-1989	22	20	135	107	9	293
1990-1994	23	46	95	24	23	211
1995	2	10	15	11	1	39
1996	8	12	19	5	3	47
1997	3	12	23	3	1	42
1998	2	11	19	8		40
1999	5	20	14	5	10	54
2000	2	9	16	4	10	41
2001	3	16	10	2	6	37
2002	13	14	13	3	8	51
2003	4	19	12	1	5	41
2004		3	3			6
Totals	560	278	1,115	748	210	2,911
Average Age	1963	1989	1972	1973	1970	1972
Percent of Collection	0.22%	0.12%	0.75%	0.54%	0.28%	0.34%

Title Count and Average Age

Counts and average ages of titles (excludes duplicate copies) in Geology. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799	1					1
1800-1899	7		1	1	3	11
1900-1909	4		1	1	3	9
1910-1919	10		9	2	1	19
1920-1929	23		28	7	9	53
1930-1939	27		31	13	3	63
1940-1949	35	2	37	14	11	85
1950-1959	76	4	114	53	15	228
1960-1969	66	23	162	139	23	358
1970-1974	40	11	88	73	16	200
1975-1979	52	23	81	85	14	206
1980-1984	65	14	100	133	7	270
1985-1989	19	18	122	105	9	227
1990-1994	21	40	78	20	23	162
1995	2	7	15	10	1	30
1996	7	10	18	5	2	36
1997	3	10	22	3	1	33
1998	2	8	17	8		33
1999	4	12	14	5	9	33
2000	2	9	16	4	10	33
2001	3	11	10	2	6	29
2002	13	11	13	3	8	45
2003	1	13	12	1	5	30
2004		3	3			6
Totals	483	229	992	687	179	2,200
Average Age	1964	1988	1973	1974	1973	1973
Percent of Collection	0.23%	0.14%	0.75%	0.56%	0.27%	0.37%

Unique Books Count and Average Age

Counts and average ages of unique books (titles held by only one ALC library) in Geology. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU
1600-1699
1700-1799	1
1800-1899	7			1	2
1900-1909	4		1		3
1910-1919	6		7	1	1
1920-1929	13		13	5	4
1930-1939	19		20	7	1
1940-1949	25		29	6	7
1950-1959	50	1	88	32	6
1960-1969	33	10	127	95	11
1970-1974	21	8	64	53	10
1975-1979	27	15	45	44	7
1980-1984	37	10	63	92
1985-1989	6	7	80	64	3
1990-1994	12	25	51	10	12
1995	2	3	13	5
1996	3	4	11	3
1997	2	5	14	1
1998	1	2	14	3
1999	1	7	8		1
2000	2	4	11	1	3
2001		5	8		3
2002	5	8	12		4
2003		9	10		2
2004		3	3
Totals	277	126	692	423	80
Average Age	1960	1989	1973	1974	1968

Total Circulation

A count of charges and renewals for Geology. This count only includes circulation of bound monographs, CDs, videos, and DVDs.

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	46	1	1	0	0	0	48
APL Items	3	299	33	0	6	0	341
HSU Items	4	8	84	0	0	0	96
McM Items	0	18	0	13	0	1	32
HPU Items	0	0	0	0	0	23	23
Totals	53	326	118	13	6	24	540

Circulation by Item Age

A count of charges and renewals for Geology, broken down by item age and item owner. This count only includes circulation of bound monographs, CDs, videos, and DVDs, and only items which have a valid date in their DATE_1 field.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899
1900-1909
1910-1919
1920-1929
1930-1939	1		1			2
1940-1949		1	1			2
1950-1959			3			3
1960-1969		20	11	3		34
1970-1974		3		12	2	17
1975-1979		8	4	2	1	15
1980-1984	2	4	6	5		17
1985-1989	7	15	14	5	1	42
1990-1994	13	34	12	3	4	66
1995		24	5	1		30
1996	1	14	6			21
1997		8	6			14
1998		23	4			27
1999	12	31	5		1	49
2000		16	4		3	23
2001	4	57	7		2	70
2002	8	30	3		3	44
2003		46	2	1	6	55
2004		7	2			9
Totals	48	341	96	32	23	540
Percent of Circulation	0.13%	0.05%	0.39%	0.35%	0.37%	0.07%

Non-Circulating Use

A count of Non-Circulating usage for Geology (as recorded by the circulation "Mark Item Used" command). This count only includes bound monographs, CDs, videos, and DVDs.

ACU	APL	HSU	McM	HPU
25	0	26	12	13

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