Directions by public transportation:
Take the T to North Station using the Green (C or E trains) or Orange
Line.  The MGH shuttle (leaving from the T stop every 15 minutes just
after each quarter hour) will take you directly to Building 149.  

[Note that North is not up on this map]

                                                              W
                                                S            *   
                                                  **       **
                                                    ***   *
                |                                       **
 B                                                     *   ***
 O             C|          !  ~        ~!            **       ** 
 S             a|          !  C ~  ~    !           *            N
 T             u|          !   h       ~!          E
 O      North  s|Boston    !  ~ a  ~    !
 N     Station e|Garden    !     r      !                (not to scale)
          T    w|          !~     l ~   !
               a|          ! ~ R   s    !
               y|          !    i     ~ !
                |          ! ~   v~     !
  --__         S|          !    ~ e  ~  !
      --__     t|          ! ~    ~r    !
          --__  |          ! /\/\/\/\/\ !
N. Washington --|[[[[[[[[[[[[|[|[|[|[|[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[ [ [ [   
         St.    |          ! |========| !          || C
                |         ! Charlestown !   ||     || h
                |         !    Bridge ~ !   ||     || e          C
                |        !   ~     ~    !   ||     || l          H
               /        !      ~      ~ ! W ||     || s          A
             /        !    ~      /     ! a ||     || e          R
          /         !    ~     /-+-/   ~! t ||     || a          L
     _ --         !    ~  ~  -+-/-+-    ! e ++--------- - -      E
_ --             !  ~  ~  ___/_/_/___   ! r ++--------- - -      S
              !!     ~   /  / / /    |  !   ||     || (first     T
            !     ~   ~  \___________|  ! S ||     ||  light)    O
         !!   ~    ~      Constitution  ! t ||     ||            W
      !!               ~  ~     ~    ~  !   ||     ||            N
Driving from Boston:     ~   ~     ~   !    ||     ||
Take N. Washington St.     ~    ~     !     \\     ||
across the bridge from   ~   ~     ~ !       \\    ||
Boston to Charlestown.     ~    ~  !          \\___||
                         ~   ~   !               ---\\ (second light)
Turn right at Chelsea,         !                     \\  
the first street after       !                        \\ 
the bridge.               !                           || 
                       !                      - ------+|  (third light)
At the forth light     !                       3rd St ||-
(13th street)         !       N A V Y                 || 
turn right into the   !                             C ||
Navy Yard.            !       Y A R D               h ||-
                      !                             e ||
                      !                             l ||-
                      !                             s ||
                      !             #######         e ||-
Enter building 149    !             # 149 #         a ||
at the "e" ----------------->       ######e           ||-
After parking in      !         --+---------+---------+|  (forth light)
the Garage "P" ------------->     | ####### | 13th St ||
                      !           | #  P  # |         || 
                      !           | ####### |         || 
                                   ---------

Once inside, take the elevators nearest the East entrance to the 6th
floor.  Go through the door in the glass partition and turn right.  Our
offices are along this hall.  Our telephone number is (617) 726-5711.