Geology

Volume, Title, and Unique Books data collected on May 31, 2016.
Circulation statistics for the ALC fiscal year ending May 31, 2016.

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
1400-1699
1700-1799	1					1
1800-1899	10			1	3	14
1900-1909	6		1	2	3	12
1910-1919	13		10	3	1	27
1920-1929	27		23	8	9	67
1930-1939	36		32	14	4	86
1940-1949	43	1	31	14	12	101
1950-1959	98	4	130	74	37	343
1960-1969	77	15	131	142	26	391
1970-1974	52	3	63	76	16	210
1975-1979	56	16	65	84	13	234
1980-1984	69	13	89	138	7	316
1985-1989	21	11	123	95	9	259
1990-1994	18	31	93	21	24	187
1995-1999	15	49	103	32	15	215
2000-2004	21	54	86	17	31	209
2005-2009	9	40	84	4	23	160
2010-2014	5	13	37		9	64
2015		2	2			4
2016		1				1
Totals	578	255	1,120	725	243	2,922
Average Age	1963	1995	1979	1974	1976	1976
Percent of Collection	0.17%	0.07%	0.63%	0.52%	0.30%	0.27%

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
1400-1699
1700-1799	1					1
1800-1899	9			1	3	13
1900-1909	5		1	1	3	10
1910-1919	11		9	2	1	20
1920-1929	24		22	7	9	50
1930-1939	32		24	13	3	61
1940-1949	38	1	28	13	10	80
1950-1959	75	4	97	46	15	207
1960-1969	66	11	120	135	22	313
1970-1974	39	3	58	72	16	166
1975-1979	53	14	59	82	13	191
1980-1984	66	11	87	130	7	254
1985-1989	19	10	111	93	9	207
1990-1994	14	25	76	17	24	145
1995-1999	14	35	100	31	13	171
2000-2004	17	39	86	17	31	171
2005-2009	8	27	84	4	23	129
2010-2014	5	5	35		9	51
2015		2	2			4
2016		1				1
Totals	497	190	1,016	664	212	2,266
Average Age	1963	1993	1981	1975	1979	1977
Percent of Collection	0.19%	0.09%	0.64%	0.53%	0.28%	0.31%

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
1400-1699
1700-1799	1
1800-1899	7			1	3
1900-1909	4		1		3
1910-1919	6		7	1	1
1920-1929	15		11	4	4
1930-1939	24		17	6	1
1940-1949	27		23	6	7
1950-1959	53	2	76	27	7
1960-1969	37	3	98	96	11
1970-1974	24	2	40	54	10
1975-1979	31	10	38	49	8
1980-1984	38	5	54	90
1985-1989	10	6	75	64	3
1990-1994	9	16	54	10	16
1995-1999	9	22	81	17	4
2000-2004	12	27	73	3	16
2005-2009	3	14	69		11
2010-2014	4	1	32		6
2015		2	2
2016		1
Totals	315	113	765	428	112
Average Age	1962	1995	1981	1974	1977

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	1	0	0	0	0	0	1
APL Items	3	139	0	0	0	0	142
HSU Items	3	12	32	1	0	0	48
McM Items	1	1	0	0	0	0	2
HPU Items	0	0	0	0	0	1	1
Totals	8	152	32	1	0	1	194

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
1400-1699
1700-1799
1800-1899
1900-1909
1910-1919
1920-1929
1930-1939
1940-1949
1950-1959			4			4
1960-1969	1	4	2			7
1970-1974
1975-1979
1980-1984		1	3			4
1985-1989		3	1	2		6
1990-1994		8	9			17
1995-1999		28	10		1	39
2000-2004		40	3			43
2005-2009		38	7			45
2010-2014		13	4			17
2015		7				7
2016
Totals	1	142	43	2	1	189
Percent of Circulation	0.00%	0.03%	0.38%	0.06%	0.03%	0.04%

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
2	29	14	11	0

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