Members 
FıG. 3. The total membership of the American 
Members 
FIG. 4. The Corporate (ordinary) Members of the 
Members 
Members 
6000 
  
  
  
  
  
  
  
  
5939 
-_ - 
^ 
4 A5735 
zl p 
A 
5500 z 
eer, S405 
15315 
3 
5000 
1968. 1969 1970 1971 
Society of Photogrammetry. 
  
  
  
  
  
  
  
  
5500 
| 7 5320 
d 45200 
- 4 
5000 A 
q 
H4803 
eff 
- --— 
[4654 
4500 
1968 1969 1970 1971 
American Society of Photogrammetry. 
J e 2 
500 
  
  
  
  
  
  
  
  
| 661 
TIN 
> 19 
d "602 5 
3 X 7 
~ y 
S] x ps 
" Ness 
4 
1968 1969 . 1970 1971 
FrG. 5. The Student Members of the 
American Society of Photogrammetry. 
  
  
  
  
  
  
  
  
90 
4 PET 
- _ 81 se 
80—— L— 
179 80 
ud 
0 
1968 1969 1970. 1971 
are $3.00 per year. 
FrG. 6. The Sustaining Members of the Amer- 
ican Society of Photogrammetry. These ordinarily 
are firms and companies whose membership dues 
Ur 
  
  
  
  
  
  
  
  
1600 s 
a A257 24 1579 
= / ml uet 
= T 7 1543 
o d 7 
Q 
= 3500-17 
9 1477 
ge! 
5 - 
e À 
1400 
1968 1969 1970 1971 
F1G. 7. Subscriptions to Photogrammetric Engi- 
neering, such as libraries, in addition to Corporate 
and Student Members. 
  
  
  
  
  
  
  
  
  
  
  
5000. 
I cuc 
7 pr 
4000 z A 
N 1 
o zl 
"d J / pot A 
%.. 3000-7 ——« ped = 
e i^ + 
— 
y 3000 A 
© z 4 
LQ -— 
E 1 
2 Y 2^ 
= 1000 
1968 1569 1970 1971 
—--— Manual of Photographic 
Interpretation 
Manual of Photogrammetry 
———— Manual of Color Aerial 
Photography 
  
F1G. 8. Cumulative sales of publications. 
TABLE 1. PRICES OF THE MANUALS 
OF THE SOCIETY 
Non- 
Mem-  Mem-  Book- 
ber ber store 
Manual of Photographic 
Interpretation $12.00 15.00 9.00 
Third Edition— Manual 
of Photogrammetry 19.00 22.50 13.50 
Manual of Color Aerial 
Photography 21.00 24.50 14.70