"The Projected Hydro-Electric Power Development on the river Daugava at Dole, near Riga", Ministry of finance Marine Department, 1931 g., Rīga, 69 lpp., 29.3 x 22.8 cm, trūkst 15.-18. lappuses
| nosaukums: | The Projected Hydro-Electric Power Development on the river Daugava at Dole, near Riga |
|---|---|
| nosaukuma apraksts: | Ministry of finance Marine Department |
| valoda: | angļu |
| izdevuma gads: | 1931 |
| Pilsēta: | Rīga |
| Lappušu skaits: | 69 |
| bloka izmērs: | 29.3 x 22.8 |
| papildus informācija: | trūkst 15.-18. lappuses |
* Obligātie lauki