Tuo pack8 of U.S. -made 60-mm grenade6 were found on the hill marked with the letter A in appendix 1. A large number of cartridge caeee for rifles of variout! calibres and come cartr idgea a8 we1 1 a8 the remain8 of a melted grenade ware found along the debrie of the two houeee. It ehould be noted that in both hills A and B and on the plain near th@ river bank, foxhole8 of var ioue types were found. Leaning against the western eide of houee number 1 were the remain8 of an aluainiuB flat-bottomed boat and two eunken amall boat8 in front of the same house, on the bank of the river. Immediately surrounding house number 2 W&B an M-68-type hand grenade and the romaine of a U.S.-made wooden box for ammunition. However, according to the vrreion by the Costa Rican authorities, that grenade wa8 abandoned by the patrol during the incidents on 31 May and the same thing occutred with an M72 A2 rocket and thrao I472 A2 rocket launchere. This material was fo,Jnd in the area during the Committoe’s on-cite inrpection. The Committee al60 obeerved that some of the debrie of the houeee and objecta found there showed a large number of impact8 from projectile6 the placement of which rhowed that they came from the Nicaraguan aide of the river. In other c&eOlr the origin of the impacts was not determined. / . . . A/40/737 s/17549 Enql ish Page 26 During the initial statement on the course of the events by Coata Rican authorities In San Josh, 16 empty 82-mm rocket cases and two 82-nun rockets, made in the Soviet Union, empty 40-m cai tr idge caaea, empty Ak47 5.56 calibre cartridge cases, RKT6Fl tail units snd 82-mm mortar shells, which those authorities said they 
**Analysis**
This text appears to be a report of a conflict or incident, likely related to military activities. The presence of various types of ammunition, grenades, and rocket launchers suggests a military context. The text also mentions the involvement of authorities and a committee, which further supports this hypothesis. Given the content, it is likely that the text is related to international relations, conflict, or security, which would not fit neatly into any of the categories provided.

**Category**
Humanitarian aid and relief, International trade