fix up remaining URLs in static html for ${subarea} -> '1623'

1623/41/144.htm

@@ -71,7 +71,7 @@ trench in the floor. This continues up at 35° for 70m until it meets a
 very small trench which draughts out. The tube elbows back on itself, but
 soon becomes choked with mud as the small invading stream disappears down a
 crack. The draught in this area seems likely to be from the northernmost
-deep part of <a href="../../noinfo/smkridge/78.htm">Schwabenschacht (1623-78)</a>, in which a
+deep part of <a href="../../noinfo/1623/78.htm">Schwabenschacht (1623-78)</a>, in which a
 short passage, just 50m away from this 35&deg; ramp, is on almost exactly the
 same line.
 
@@ -103,7 +103,7 @@ to be the same rift as that below Roddick's Dive, and probably the same as
 that below the 11m pitch entering the Yellow Brick Road, all of which must
 be very close to a connection into the adjacent
 <span lang="de">Larchenschacht</span>
-(<a href="../../noinfo/smkridge/88.htm">1623/88</a>)
+(<a href="../../noinfo/1623/88.htm">1623/88</a>)
 
 <p align=center><img alt="survey fragment: 11k gif" src="144con.png"
 width=560 height=920>