Available data

Select data types to graph from categories based on the way the data were collected.

3 data types available - data from 1987-10-01 to 2026-08-09

1 data types available - data from 1981-02-25 to 2026-08-07

2 data types available - data from 1924-12-11 to 2026-06-09

5 Observed properties (data types) available - with data from 2000-10-26 to 2000-10-26

1 Sampling activities

2 data types available - with data from 1982-01-31 to 2025-04-05

1 data types available - data from 1981-02-25 to 2026-08-07

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	07069190	n/a
Location name	Mammoth Spring at Mammoth Spring	n/a
Site type	Spring	SP
Decimal latitude (WGS84)	36.498125857859684	n/a
Decimal longitude (WGS84)	-91.53569237354537	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Arkansas	05
State	Arkansas	05
County	Fulton County	049
Country	United States of America	n/a
Altitude of gage/land surface	501.19 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.16 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Spring	11010010
Drainage basin		n/a
Date of first construction		n/a
Drainage area		n/a
Contributing drainage area		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