Question $4.$ Note Set $A$

Profile Leveling Note Set A is given below. BM$20$ has a known elevation of $100\mathrm{.}000$ ft and BM$21$

has a known elevation of $92\mathrm{.}740$ ft $.$

Question $4.$ Note Set B

Profile Leveling Note Set B is given below. BM$14$ has a known elevation of $48\mathrm{.}648$ ft and BM$15$

has a known elevation of $44\mathrm{.}708$ ft $.$