Available data

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2 data types available - data from 1983-04-08 to 2026-08-19

1 data types available - data from 1948-01-01 to 2026-08-18

2 data types available - data from 1948-01-17 to 2026-07-07

9 Observed properties (data types) available - with data from 1974-02-14 to 1987-09-23

130 Sampling activities

2 data types available - with data from 1948-02-14 to 2024-01-10

1 data types available - data from 1948-01-01 to 2026-08-18

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	01493000	n/a
Location name	UNICORN BRANCH NEAR MILLINGTON, MD	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	39.2499444444444	n/a
Decimal longitude (WGS84)	-75.8615	n/a
Latitude-longitude method	Interpolated from MAP.	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Maryland	24
State	Maryland	24
County	Queen Anne's County	035
Country	United States of America	n/a
Altitude of gage/land surface	2.78 feet	n/a
Method altitude determined	Interpolated from Digital Elevation Model	N
Altitude accuracy	0.1 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Chester-Sassafras	02060002
Drainage basin		n/a
Date of first construction		n/a
Drainage area	19.7 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	EST	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