$\begin{figure} \par\mbox{\includegraphics[height=5.5cm]{He272_f1a.eps}\hspace*{8mm} \includegraphics[height=5.5cm]{He272_f1b.eps} } \end{figure}$ Figure 1: Left: mean-free-path of ⁵⁶Fe nuclei against the various photo-nuclear processes in the CMB and IR background (see text), as a function of $\Gamma$ . Right: energy loss length (including pair production) for various nuclei (labeled by their original A) as a function of E, with their dispersion.
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In the text

$\begin{figure} \par\mbox{\includegraphics[width=7.3cm,clip]{He272_f2a.eps}\hspace*{1cm} \includegraphics[width=7.3cm,clip]{He272_f2b.eps} } \end{figure}$ Figure 2: Left: propagated spectra for sources with protons only and $\beta = 2.6$ , and with mixed compositions and $\beta = \alpha = 2.2$ and 2.3. Data points from the main experiments are indicated, with an arbitrary downward shift of AGASA's energy scale by 20%. Right: evolution of the spectrum with the fraction of protons at the source, for an E^-2.6 source spectrum.
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In the text

$\begin{figure} \par\mbox{\includegraphics[height=5.5cm]{He272_f1a.eps}\hspace*{8mm} \includegraphics[height=5.5cm]{He272_f1b.eps} } \end{figure}$	Figure 1: Left: mean-free-path of ⁵⁶Fe nuclei against the various photo-nuclear processes in the CMB and IR background (see text), as a function of $\Gamma$ . Right: energy loss length (including pair production) for various nuclei (labeled by their original A) as a function of E, with their dispersion.
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$\begin{figure} \par\mbox{\includegraphics[width=7.3cm,clip]{He272_f2a.eps}\hspace*{1cm} \includegraphics[width=7.3cm,clip]{He272_f2b.eps} } \end{figure}$	Figure 2: Left: propagated spectra for sources with protons only and $\beta = 2.6$ , and with mixed compositions and $\beta = \alpha = 2.2$ and 2.3. Data points from the main experiments are indicated, with an arbitrary downward shift of AGASA's energy scale by 20%. Right: evolution of the spectrum with the fraction of protons at the source, for an E^-2.6 source spectrum.
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