<a href="https://www.usgs.gov/centers/alaska-science-center/science/usgs-alaska-streamgage-datum-north-american-vertical-datum">USGS Alaska Streamgage Datum to North American Vertical Datum of 1988 Conversion Table</a>

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Available data

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Continuous data

3 data types available - data from 2020-05-28 to 2026-08-01

Daily data

2 data types available - data from 2026-04-03 to 2026-07-30

Field measurements

3 data types available - data from 2011-05-27 to 2026-07-22

Discrete sample data

31 Observed properties (data types) available - with data from 1949-07-19 to 1957-07-28

3 Sampling activities

Statistical tables for select daily data types

2 data types available - data from 2026-04-03 to 2026-07-30

Location details and information

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US Bureau of Land Management (BLM) - Alaska

Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	15446000	n/a
Location name	BIRCH C NR CIRCLE AK	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	65.71075230576868	n/a
Decimal longitude (WGS84)	-144.33578534546922	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Unknown or unspecified.	U
District	Alaska	02
State	Alaska	02
County	Yukon-Koyukuk Census Area	290
Country	United States of America	n/a
Altitude of gage/land surface	630.7 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.1 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Birch Creek	19080401
Drainage basin		n/a
Date of first construction		n/a
Drainage area	2150 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	AKST	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 Birch C NR Circle AK - USGS-15446000