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1 data types available - data from 2001-12-20 to 2001-12-20

164 Observed properties (data types) available - with data from 1971-03-01 to 2005-08-01

378 Sampling activities

2 data types available - with data from 1954-06-01 to 1983-05-31

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	08450900	n/a
Location name	Rio Grande bl Amistad Dam nr Del Rio, TX	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	29.4252255906836	n/a
Decimal longitude (WGS84)	-101.041209987746	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	Texas	48
State	Texas	48
County	Val Verde County	465
Country	United States of America	n/a
Altitude of gage/land surface	898 feet	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	10 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Elm-Sycamore	13080001
Drainage basin		n/a
Date of first construction		n/a
Drainage area	123143 square miles	n/a
Contributing drainage area	123143 square miles	n/a
Time zone abbreviation	CST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a

Monitoring location Rio Grande bl Amistad Dam nr Del Rio, TX - USGS-08450900