Item No.
Requirement
Complication
17
Time the river or canal overflows its banks in reach.
NI.
(Indicate the months during which floods are likely
to occur, also the frequency and duration of over-
bank stages.)
18
Slope of water surface in reach at low, normal, and
NI.
high stages.
19
Slope of stream bed in reach.
NI.
20
Any information pertinent to the major subject which
a. Navigable channel 40m wide.
would not logically be included with any of the
b. Reach contains 13 fords and 21 bridges.
items previously listed.
21
Source or sources of data. If different for various
"Highway Bridges of Western Germany," Vol.
items, list item numbers in groups corresponding to
4, Strategic Engineering Study No. 130,
the source.
published by Office, Chief of Engineers,
September 1944.
22
Reliability of the source or source data.
Usually reliable.
23
Accuracy of Data.
Probably true.
24
Agency or unit preparing the compilation.
Military Hydrology Branch, Washington Dis-
trict CE.
25
Inclose pictures, maps and drawings depic ting the
Map of reach (fig. 4).
location and other features of the major items.
26
Date compilation was prepared.
23 Oct. 1953.
15. Stream or River Gages. Hofkirchen.
Item No.
Requirement
Complication
1
Name and number by which gage is known or identi-
Hofkirchen.
fied.
2
Stream on which gage is located.
Danube River.
3
Country or countries, state or province, and so on, in
Germany, Niederbayern.
which the major item is located.
4
Main river basin in which the subject is located.
Danube River.
5
Distance and direction from a city or some other
About 32 km above Passau, Germany.
definite geographic reference point.
6
Distance from gage to river mouth or some other
2256.7 km above the mouth of the Danube
stream reference point.
River.
7
Latitude and Longitude of the gage.
4841'N, 13- 9'E.
8
Coordinates of any local grid-coordinate system.
NI.
9
Type of gage. (Indicate whether staff, recorder,
Recorder operated by float.
chainweight, and so on.)
10
Organization, agency, or military unit whic h:
a. Established the gage and the date.
a.
1901. Agency unknown.
b. Currently operates or keeps records for gage.
b.
Bavarian office of Hydrology with the Chief
Board of Public works in the Ministry of
the Interior, Munich, Germany.
11
Location of gage relative to stream. (Indicate on
NI.
which bank; or, if on a bridge pier, indicate the
distance from a bank and whether it is on the up-
stream or downstream side of the bridge. The "left
bank" is on the left facing downstream.)
12
Drainage area of watershed above gage.
47,544 sq km.
13
Indicate whether elevations are based on mean sea
Meters above the Adriatic Sea (GA).
level or on some other reference.
14
Gag datum elevation, or elevation "zero" on the gage.
Elevation 299.623m.
15
Flood stage or elevation at which the stream over-
NI.
flows its banks (based on gage datum shown in
item 14 if possible; otherwise based on sea level
elevation).
16
Periods of record of water stage, discharge, and
For stage and discharge: 1901 to 1950. For
velocity at gage. (Give dates for beginning and
velocity; NI.
end of periods.)
17
Give the stages (gage heights), discharges, and veloci-
ties of the gage for the following conditions with
AGO 3898A
8
