Available data

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2 data types available - data from 2015-07-27 to 2021-07-01

1 data types available - data from 2015-07-28 to 2021-06-29

2 data types available - data from 1980-09-11 to 2021-07-09

50 Observed properties (data types) available - with data from 1979-04-16 to 1980-12-18

6 Sampling activities

2 data types available - with data from 2016-05-25 to 2020-07-29

1 data types available - data from 2015-07-28 to 2021-06-29

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01601420	n/a
Location name	HOFFMAN DRAINAGE TUNNEL AT CLARYSVILLE, MD	n/a
Site type	Tunnel, shaft, or mine	SB-TSM
Decimal latitude (WGS84)	39.6383333333333	n/a
Decimal longitude (WGS84)	-78.8925555555556	n/a
Latitude-longitude method	Differentially corrected Global Positioning System.	D
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Maryland	24
State	Maryland	24
County	Allegany County	001
Country	United States of America	n/a
Altitude of gage/land surface	1546.41 feet	n/a
Method altitude determined	Differentially corrected Global Positioning System.	D
Altitude accuracy	0.18 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	North Branch Potomac	02070002
Drainage basin		n/a
Date of first construction		n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	EST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer	Pennsylvanian aquifers	N300PNSLVN
Local aquifer	Conemaugh Formation	321CNMG
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a